Stark Individual Differences: Face Recognition Ability Influences the Relationship Between Confidence and Accuracy in a Recognition Test of Game of Thrones Actors - Jesse Grabman, Chad Dodson
From the survey results, the following can be concluded about the target audience for a horror film opening sequence:
1. The target audience is primarily females ages 15-27, with most respondents preferring paranormal horror films involving demons, ghosts, and haunted houses.
2. Paranormal themes and "thrilling" scenes are preferred to entice viewers to continue watching, with the story line being the most important factor for engagement.
3. The opening sequence should immerse viewers immediately by establishing tension and suspense to appeal to those seeking that "thrill." It should also set up the paranormal-focused narrative.
4. An M-rated, 16+ age classification is appropriate given
This document provides an overview and analysis of survey results from a study on the most trustworthy brands in Orange County, California. Some key findings include:
- Consistency was the most important behavior for building trust among Orange County residents. Ability was most important for those aged 45 and over.
- Females responded more strongly to all trust variables and found sincerity slightly more important than consistency. Males found consistency significantly more important than sincerity.
- The top 10 most frequently mentioned regional brands were analyzed based on measures of concern, consistency, sincerity, ability, and connection. Mother's Market & Kitchen had the highest weighted trust index score.
This presentation provides tips for attorneys and their expert witnesses on juror psychology and how it applies to witness communication on the stand. Tips on effective witness communication are included.
Doug Pulick - Marketing the value of place in media and how its impact affect...brightfish_be
This document discusses how cinema can provide a sense of place for audiences and impact their emotions. It contains the following key points:
1. Cinema can effectively provide a sense of place for viewers, as shown through the way locations become characters that shape the tone and themes of movies like Midnight in Paris, Gravity, The Life of Pi, and The Hurt Locker.
2. Research found that movie theater audiences experience more positive emotions like happiness and excitement compared to other media like TV, radio and online platforms. Theatergoers also feel less bored and are more attentive.
3. Market research with biometrics showed that films elicited stronger emotional responses like love when viewed in a cinema compared to
This survey was completed by 30 students to understand preferences around horror movies. Key findings include:
- 80% of respondents were male and most were between 16-18 years old.
- The most popular horror subgenres were slasher (40%) and gothic (23%).
- Lord of the Rings and Harry Potter were among the most popular non-horror films.
- While over 50% sometimes see horror films at the cinema, most first saw one around ages 15-16.
- The ages 17-20+ are most likely for viewing horror.
- 60% expressed interest in watching a horror film produced by students.
This survey was completed by 30 students to understand preferences around horror movies. Key findings include:
- 80% of respondents were male and most were between 16-18 years old.
- The most popular horror subgenres were slasher (40%) and gothic (23%). Lord of the Rings was the most commonly cited favorite film overall (21%).
- While over half only sometimes see horror films at the cinema, most had their first viewing around ages 15-16.
- The ages 17-20+ were deemed most likely for viewing horror now.
- 60% expressed interest in a student-produced horror film, with 30% responding "maybe".
This document discusses various communication traits and concepts. It defines shyness, willingness to communicate, communication apprehension, and communication competence. It also discusses scales to measure these concepts and the effects of shyness, willingness to communicate, and communication apprehension on behavior and perceptions.
From the survey results, the following can be concluded about the target audience for a horror film opening sequence:
1. The target audience is primarily females ages 15-27, with most respondents preferring paranormal horror films involving demons, ghosts, and haunted houses.
2. Paranormal themes and "thrilling" scenes are preferred to entice viewers to continue watching, with the story line being the most important factor for engagement.
3. The opening sequence should immerse viewers immediately by establishing tension and suspense to appeal to those seeking that "thrill." It should also set up the paranormal-focused narrative.
4. An M-rated, 16+ age classification is appropriate given
This document provides an overview and analysis of survey results from a study on the most trustworthy brands in Orange County, California. Some key findings include:
- Consistency was the most important behavior for building trust among Orange County residents. Ability was most important for those aged 45 and over.
- Females responded more strongly to all trust variables and found sincerity slightly more important than consistency. Males found consistency significantly more important than sincerity.
- The top 10 most frequently mentioned regional brands were analyzed based on measures of concern, consistency, sincerity, ability, and connection. Mother's Market & Kitchen had the highest weighted trust index score.
This presentation provides tips for attorneys and their expert witnesses on juror psychology and how it applies to witness communication on the stand. Tips on effective witness communication are included.
Doug Pulick - Marketing the value of place in media and how its impact affect...brightfish_be
This document discusses how cinema can provide a sense of place for audiences and impact their emotions. It contains the following key points:
1. Cinema can effectively provide a sense of place for viewers, as shown through the way locations become characters that shape the tone and themes of movies like Midnight in Paris, Gravity, The Life of Pi, and The Hurt Locker.
2. Research found that movie theater audiences experience more positive emotions like happiness and excitement compared to other media like TV, radio and online platforms. Theatergoers also feel less bored and are more attentive.
3. Market research with biometrics showed that films elicited stronger emotional responses like love when viewed in a cinema compared to
This survey was completed by 30 students to understand preferences around horror movies. Key findings include:
- 80% of respondents were male and most were between 16-18 years old.
- The most popular horror subgenres were slasher (40%) and gothic (23%).
- Lord of the Rings and Harry Potter were among the most popular non-horror films.
- While over 50% sometimes see horror films at the cinema, most first saw one around ages 15-16.
- The ages 17-20+ are most likely for viewing horror.
- 60% expressed interest in watching a horror film produced by students.
This survey was completed by 30 students to understand preferences around horror movies. Key findings include:
- 80% of respondents were male and most were between 16-18 years old.
- The most popular horror subgenres were slasher (40%) and gothic (23%). Lord of the Rings was the most commonly cited favorite film overall (21%).
- While over half only sometimes see horror films at the cinema, most had their first viewing around ages 15-16.
- The ages 17-20+ were deemed most likely for viewing horror now.
- 60% expressed interest in a student-produced horror film, with 30% responding "maybe".
This document discusses various communication traits and concepts. It defines shyness, willingness to communicate, communication apprehension, and communication competence. It also discusses scales to measure these concepts and the effects of shyness, willingness to communicate, and communication apprehension on behavior and perceptions.
Slides from Tony Martin-Vegue's presentation at SIRAcon 2018, February 7, 2018
"Crowdsourced Probability Estimates: A Field Guide"
Abstract:
Crowdsourced Probability Estimates: A Field Guide
Probability estimates are the cornerstone of any good risk assessment in which data is sparse or expensive to come by, and are often thought of as one of the best ways to supplement existing information with subject matter expertise. Many risk analysts, however, can run into issues when trying to integrate the opinions of many subject matter experts into a risk management program.
Some of these problems are: seemingly contradictory probability estimates, bias that can creep into results and the challenge of collecting and using large amounts of data.
This talk covers the presenter's own experience in building a program within a company to crowdsource probability estimates from a varied group of subject matter experts, controlling for bias, weeding out those that aren’t exactly experts and scaling the program for large companies. Participants will be surprised to find that they already have many of the tools they need to get started, such as the ability to email surveys and simple models to create distributions from many the probability estimates they collect.
This document summarizes research on deception detection. It finds that people are generally poor at distinguishing truths from lies, correctly identifying about 54% of statements. There is a "truth bias" where people assume statements are true, and deception is detected better for accusations than denials. Training does not usually help detection and people are overconfident in their abilities. Studies found women are more transparent speakers than men. The best cues of deception come from a speaker's tone and language, not physical cues like eye contact or fidgeting that people commonly focus on. Strategies like disrupting or confronting a witness can increase their transparency.
This document discusses the topics of risk, uncertainty, probability estimation, and calibration. It notes that there is a difference between cardinal and ordinal measurements. It also distinguishes between foxes, who are less confident in estimates and more tolerant of uncertainty, and hedgehogs, who are highly confident and intolerant of uncertainty. The document recommends methods for calibrating probability estimates, such as using confidence intervals, doing multiple tests of estimates, and considering equivalence bets to improve calibration. Overall, the document focuses on understanding and improving calibration of probability estimates under conditions of uncertainty.
This document summarizes the results of a questionnaire conducted to evaluate the target audience for a film. The research found that the main demographic is 15-17 year olds, most respondents were students or worked part-time, and 60% identified as female. Science fiction and comedy were popular genres, but the filmmakers intend to make an action/crime/thriller. Most respondents said they understood the storyline and suggested urban settings like cities and alleys. R&B/Hip-Hop music was deemed the best choice to accompany the film.
The document summarizes the results of a survey about audience preferences for horror films. It found that 60% of respondents were female. 80% of participants were aged 10-21. Gore and romance were the most popular horror subgenres. The majority of respondents said they feel scared when watching horror films and prefer films set in the evening, night, or afternoon. A mixture of slow, loud music and fast, quiet music was deemed most effective for horror films.
The document summarizes the results of a survey about audience preferences for horror films. It found that 60% of respondents were female. 80% of participants were aged 10-21. Gore and romance were the most popular horror subgenres. The majority of respondents said they feel scared when watching horror films and prefer films set in the evening, night, or afternoon. A mixture of slow, loud music and fast, quiet music was deemed most effective for horror films.
The document summarizes the results of an audience research survey conducted to inform the development of a horror film opening concept called "Wakefield Manor". Key findings include that the target audience is predominantly male aged 15-20 years old, who have watched several horror films in the last year including recent titles like Orphan, Insidious 2, and Paranormal Activity. Words commonly associated with "Wakefield Manor" included desolate, spooky and creepy. The majority of respondents said they believed flashbacks, supernatural horror, and jump scares in horror films are effective.
Presented at Meaningful Play 2018, East Lansing, Michigan. Please note, the website for the game (http://aberrantry.com/) is in development at this time. The game code is in GitHub, & a download link is available at the website.
A Trust In Legal Professionals Scale Implications For Jury FunctioningMichael Bromby
The document summarizes a study examining trust in legal professionals and its implications for jury functioning. It discusses the development of a Trust in Legal Professionals Scale (TLPS) to measure trust along dimensions of honesty, reliability, and emotion. Two studies were conducted: Study 1 examined the role of trust in legal professionals (as measured by the TLPS) on jury functioning using student samples. Study 2 explored how trust may impact gender differences in jury deliberations using an experimental trial simulation with student juries. Results found targets of trust varied between lawyers, judges, and juries and no gender differences in trust; and that trust was associated with dominance in deliberations differently for male and female jury members.
1. Heuristics are mental shortcuts that help people make quick judgments and decisions but can sometimes result in cognitive biases.
2. Common heuristics include availability, where judgments are based on examples that readily come to mind, and representativeness, where likelihood is judged based on similarity to prototypes.
3. Biases from heuristics include the illusion of validity, where internal consistency increases unwarranted confidence, and anchoring bias, where initial values unduly influence final judgments due to insufficient adjustment.
Refugee Return, Geopolitics, and War ImaginariesHeather Flowe
Presentation by Dr. Tamirace Fakhoury, Lebanese American University
Presented at the Refugee Hosts Conference, University College London
25 October 2019
Interactive lineups can improve eyewitness performanceHeather Flowe
Interactive lineups can improve eyewitness identification accuracy compared to static photo lineups. Specifically:
1) Interactive lineups improve the ability to discriminate between innocent and guilty suspects, increasing correct identifications by 18% for any given false identification rate.
2) Simultaneous interactive lineups, where witnesses view and consider lineup members simultaneously, provide further accuracy gains over sequential lineups, increasing correct identifications by up to 23%.
3) While interactive lineups do not reduce the "own-race bias" where people are better at identifying members of their own race, they can boost accuracy for both own-race and other-race identifications.
A novel interactive face matching procedure: Performance of normal and super ...Heather Flowe
This study examined face matching performance using different image presentation methods. In Experiment 1 with normal face recognizers (N=306), accuracy was highest for interactive images where participants could rotate faces, followed by moving images. Confidence was higher for matches than mismatches. In Experiment 2 with superior face recognizers (N=57), accuracy was highest for interactive and moving images, and confidence matched accuracy. The results suggest interactive face viewing allows normal recognizers to perform like superior recognizers on static images.
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Slides from Tony Martin-Vegue's presentation at SIRAcon 2018, February 7, 2018
"Crowdsourced Probability Estimates: A Field Guide"
Abstract:
Crowdsourced Probability Estimates: A Field Guide
Probability estimates are the cornerstone of any good risk assessment in which data is sparse or expensive to come by, and are often thought of as one of the best ways to supplement existing information with subject matter expertise. Many risk analysts, however, can run into issues when trying to integrate the opinions of many subject matter experts into a risk management program.
Some of these problems are: seemingly contradictory probability estimates, bias that can creep into results and the challenge of collecting and using large amounts of data.
This talk covers the presenter's own experience in building a program within a company to crowdsource probability estimates from a varied group of subject matter experts, controlling for bias, weeding out those that aren’t exactly experts and scaling the program for large companies. Participants will be surprised to find that they already have many of the tools they need to get started, such as the ability to email surveys and simple models to create distributions from many the probability estimates they collect.
This document summarizes research on deception detection. It finds that people are generally poor at distinguishing truths from lies, correctly identifying about 54% of statements. There is a "truth bias" where people assume statements are true, and deception is detected better for accusations than denials. Training does not usually help detection and people are overconfident in their abilities. Studies found women are more transparent speakers than men. The best cues of deception come from a speaker's tone and language, not physical cues like eye contact or fidgeting that people commonly focus on. Strategies like disrupting or confronting a witness can increase their transparency.
This document discusses the topics of risk, uncertainty, probability estimation, and calibration. It notes that there is a difference between cardinal and ordinal measurements. It also distinguishes between foxes, who are less confident in estimates and more tolerant of uncertainty, and hedgehogs, who are highly confident and intolerant of uncertainty. The document recommends methods for calibrating probability estimates, such as using confidence intervals, doing multiple tests of estimates, and considering equivalence bets to improve calibration. Overall, the document focuses on understanding and improving calibration of probability estimates under conditions of uncertainty.
This document summarizes the results of a questionnaire conducted to evaluate the target audience for a film. The research found that the main demographic is 15-17 year olds, most respondents were students or worked part-time, and 60% identified as female. Science fiction and comedy were popular genres, but the filmmakers intend to make an action/crime/thriller. Most respondents said they understood the storyline and suggested urban settings like cities and alleys. R&B/Hip-Hop music was deemed the best choice to accompany the film.
The document summarizes the results of a survey about audience preferences for horror films. It found that 60% of respondents were female. 80% of participants were aged 10-21. Gore and romance were the most popular horror subgenres. The majority of respondents said they feel scared when watching horror films and prefer films set in the evening, night, or afternoon. A mixture of slow, loud music and fast, quiet music was deemed most effective for horror films.
The document summarizes the results of a survey about audience preferences for horror films. It found that 60% of respondents were female. 80% of participants were aged 10-21. Gore and romance were the most popular horror subgenres. The majority of respondents said they feel scared when watching horror films and prefer films set in the evening, night, or afternoon. A mixture of slow, loud music and fast, quiet music was deemed most effective for horror films.
The document summarizes the results of an audience research survey conducted to inform the development of a horror film opening concept called "Wakefield Manor". Key findings include that the target audience is predominantly male aged 15-20 years old, who have watched several horror films in the last year including recent titles like Orphan, Insidious 2, and Paranormal Activity. Words commonly associated with "Wakefield Manor" included desolate, spooky and creepy. The majority of respondents said they believed flashbacks, supernatural horror, and jump scares in horror films are effective.
Presented at Meaningful Play 2018, East Lansing, Michigan. Please note, the website for the game (http://aberrantry.com/) is in development at this time. The game code is in GitHub, & a download link is available at the website.
A Trust In Legal Professionals Scale Implications For Jury FunctioningMichael Bromby
The document summarizes a study examining trust in legal professionals and its implications for jury functioning. It discusses the development of a Trust in Legal Professionals Scale (TLPS) to measure trust along dimensions of honesty, reliability, and emotion. Two studies were conducted: Study 1 examined the role of trust in legal professionals (as measured by the TLPS) on jury functioning using student samples. Study 2 explored how trust may impact gender differences in jury deliberations using an experimental trial simulation with student juries. Results found targets of trust varied between lawyers, judges, and juries and no gender differences in trust; and that trust was associated with dominance in deliberations differently for male and female jury members.
1. Heuristics are mental shortcuts that help people make quick judgments and decisions but can sometimes result in cognitive biases.
2. Common heuristics include availability, where judgments are based on examples that readily come to mind, and representativeness, where likelihood is judged based on similarity to prototypes.
3. Biases from heuristics include the illusion of validity, where internal consistency increases unwarranted confidence, and anchoring bias, where initial values unduly influence final judgments due to insufficient adjustment.
Similar to Stark Individual Differences: Face Recognition Ability Influences the Relationship Between Confidence and Accuracy in a Recognition Test of Game of Thrones Actors - Jesse Grabman, Chad Dodson (10)
Refugee Return, Geopolitics, and War ImaginariesHeather Flowe
Presentation by Dr. Tamirace Fakhoury, Lebanese American University
Presented at the Refugee Hosts Conference, University College London
25 October 2019
Interactive lineups can improve eyewitness performanceHeather Flowe
Interactive lineups can improve eyewitness identification accuracy compared to static photo lineups. Specifically:
1) Interactive lineups improve the ability to discriminate between innocent and guilty suspects, increasing correct identifications by 18% for any given false identification rate.
2) Simultaneous interactive lineups, where witnesses view and consider lineup members simultaneously, provide further accuracy gains over sequential lineups, increasing correct identifications by up to 23%.
3) While interactive lineups do not reduce the "own-race bias" where people are better at identifying members of their own race, they can boost accuracy for both own-race and other-race identifications.
A novel interactive face matching procedure: Performance of normal and super ...Heather Flowe
This study examined face matching performance using different image presentation methods. In Experiment 1 with normal face recognizers (N=306), accuracy was highest for interactive images where participants could rotate faces, followed by moving images. Confidence was higher for matches than mismatches. In Experiment 2 with superior face recognizers (N=57), accuracy was highest for interactive and moving images, and confidence matched accuracy. The results suggest interactive face viewing allows normal recognizers to perform like superior recognizers on static images.
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REMEMBERING RAPE: THE EFFECTS OF ACUTE ALCOHOL INTOXICATION AND ALCOHOL EXPEC...Heather Flowe
This study examined how acute alcohol intoxication and alcohol expectancies affect women's memory of a simulated rape scenario. 78 women participated in a study with a 2 (alcohol vs tonic beverage) x 2 (told drink was alcohol vs tonic) between-subjects design. Women viewed a rape scenario and were later tested on their memory of events. Results showed that women accurately remembered consensual activities regardless of intoxication. While intoxicated women were less accurate about the perpetrator's behavior, alcohol consumption and expectancy did not significantly impact accuracy. Women expecting alcohol performed better overall. Confidence in memory correlated with greater accuracy, regardless of intoxication. The study suggests alcohol may not necessarily impair memory quality but a higher dose may
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Show Me One or Six? A Field Study Examining How Lineup Format Affects Real-Wo...Heather Flowe
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We experimentally examined the effects of alcohol consumption and exposure to misleading postevent information on memory for a hypothetical interactive rape scenario, examining whether memory encoding and retrieval processes differed in relation to intoxication. Participants (N = 80) were randomly assigned to consume alcohol (mean BAC = .06%) or tonic water before engaging in the scenario. Alcohol expectancy was controlled, and participant beliefs about the beverage they thought they had consumed and feelings of intoxication were measured. A week later, immediately before recalling the scenario, participants were exposed to a postevent narrative, ostensibly written by another research participant who had been interviewed about the scenario. After the recall task, participants completed a recognition test, reporting confidence in the likely accuracy of their answers. Participants who believed they had consumed alcohol compared to those who believed they had consumed tonic reported fewer correct details; but, they were no more likely to report incorrect or misleading information. Further, participants who had consumed alcohol were less likely to volunteer answers to recognition questions about misled items. The confidence-accuracy relationship for control and misled items was similar across groups, and there was some evidence that metacognitive discrimination was better for participants who believed they had consumed alcohol compared to those who believed they had consumed tonic. We discuss the implications for alcohol’s effect on memory encoding and retrieval strategies in the context of rape.
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Perpetrator pose reinstatement—viewing a criminal perpetrator's face in the same pose in which the witness saw him—should enhance face identification performance (e.g., Bruce, 1982). Witnesses likely encode culprits from different angles (left profile, front, right profile), but little research has examined whether pose reinstatement and viewing faces from multiple angles during a lineup improves identification accuracy. Two lineup procedures currently used in practice include photo lineups that show each face in frontal pose, and video lineups that show each face rotating left and right, revealing the whole face. We created a novel interactive lineup procedure, wherein witnesses were able to rotate the lineup faces into any pose, and addressed the following questions in our experiments:
1. Does encoding view influence discrimination accuracy?
2. Do multiple views at test enhance discrimination accuracy?
3. Do subjects reinstate pose and is pose reinstatement associated with accuracy?
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ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
Chapter wise All Notes of First year Basic Civil Engineering.pptxDenish Jangid
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Stark Individual Differences: Face Recognition Ability Influences the Relationship Between Confidence and Accuracy in a Recognition Test of Game of Thrones Actors - Jesse Grabman, Chad Dodson
1. Stark Individual Differences:
Face Recognition Ability
Influences the Relationship
Between Confidence and
Accuracy in a Recognition
Test of Game of Thrones
Actors
Jesse H. Grabman & Chad S. Dodson
TARMAC
June 11th, 2020
11. Heterogeneity in Face Recognition
• The ability to identify unfamiliar faces varies
considerably from person to person.
Prosopagnosia Super-Recognizers
Most People
11
12. Measuring Face Recognition Ability
• Cambridge Face Memory Test (CFMT)
Measures poor to above-average performance on
face memory.
72 trials of varying difficulty
• Score = simple sum of correct responses.
Duchaine & Nakayama, 2006;
Cho et al., 2015
12
33. Retention-Interval
• Last appeared on the show during:
• Season 6 (18 actors; short)
• Season 4-5 (32 actors; medium)
• Season 1-3 (34 actors; long)
34. Exposure Duration
• Time on screen:
• Leading actors (27 actors; 20-90 min)
• Supporting actors (27 actors; 9-19 min)
• ‘Bit parts’ (30 actors; short; < 9 min)
52. Take-home Messages
1. Confidence ratings were
generally predictive of accuracy
in a difficult, naturalistic test of
face recognition.
53. Take-home Messages
1. Confidence ratings were
generally predictive of accuracy
in a difficult, naturalistic test of
face recognition.
2. Replicated that face recognition
ability influence the reliability of
high confidence ratings.
56. Questions for Discussion
1. How can we better map insights from the lab onto real-world
face recognition?
2. Which other individual differences apply to face recognition
and meta-cognitive tasks?
Good afternoon everyone! Thank you for the opportunity to present our work!
To start off, eyewitness misidentifications are the leading cause of false convictions in the United States, accounting for 70% of cases.
Research so far has supported that eyewitness confidence is a robust predictor of accuracy. What I’m showing here is an influential 2017 review paper by Wixted and Wells, that has already been cited over 200 times. Their analyses showed that eyewitness confidence was protective against a number of factors that we know influence eyewitness memory.
For example, we know that the race of the police suspect can influence accuracy. People generally are worse at remembering faces of a different race from than themselves. For instance, when a black victim attempts to identify a white perpetrator from a lineup.
Based on Wixted and Wells’ analysis, we see evidence for a cross-race effect at lower levels of confidence. When confidence was low, participants in this study were more accurate at identifying a same-race culprit, than if the crime was committed by a person of a different race.
Yet, at higher levels of confidence, there is seemingly no difference. The review paper finds a similar confidence-accuracy relationship for many other variables.
For example, the weapon focus effect…
And retention interval
Despite these findings, we still see high confidence errors in the lab and in the real-world. For this reason, our research examines factors that systematically predict high confidence errors.
To start off, I’d like to talk about some of my previous work that has investigated this issue. One thing that is common in the eyewitness memory field is to treat all witnesses the same. However, intuitively, we know that this is not the case.
In fact, the ability to recognize unfamiliar faces varies widely across the population. At the low end are those with developmental prosopagnosia, or face-blindness, who may have difficulty recognizing even family members and close friends. While at the high end there are super-recognizers, who exhibit exceptional face recognition ability. But, most individuals fall somewhere in the middle.
So, how do we test face recognition ability in the lab? We use a well validated measure -- the Cambridge Face Memory Test. This test measures poor to above average face recognition ability over 72 trials of varying difficulty. An individual’s score is simply the number of trials they get correct, where higher scores indicate greater face recognition ability.
Here is an example of what the test looks like. First, individuals memorize a target face in three separate orientations.
Then, they must identify this face among two additional fillers.
And, the test grows more challenging over subsequent trials. For example, by incorporating visual noise.
Recently, I investigated how face recognition ability influences the rate of high confidence errors in eyewitness memory.
In this study, participants first encoded 12 still images of faces, each exhibiting a casual expression, such as a smile.
After a delay, participants performed a standard eyewitness lineup procedure. In this procedure, the participant attempts to identify whether a previously seen face is present in a 2x3 array of mugshots.
After each decision, participants provided a confidence rating, indicating how certain they were about the accuracy of their response.
Next they performed the Cambridge Face Test. Here is the distribution of the scores from the CFMT for our 569 participants. The median score is 61 and the blue shading indicates 1 Median Absolute Deviation above and below this average score. Again, higher scores reflect stronger face recognition ability
Let’s get to the results. To orient you to the graph, the x-axis represents the participants face recognition ability, with higher scores indicating greater ability level. This dashed line represents the average face recognition score across participants. The y-axis gives the percentage of identifications that resulted in a correct decision. And, the colored lines will represent different levels of confidence.
First, let’s look at the results from participants who were above average face recognizers. As we can see, the results are concordant with previous studies. As represented by the red line, when good face recognizers use a 100% confidence rating they tend to be pretty accurate.
However, if we look at below-average face recognizers we start to see a different story. High confidence identifications become less indicative of accuracy as face recognition ability decreases.
In fact, if we compare the accuracy of high confidence identifications from participants who were one standard deviation above the average score to those one deviation below, we see a gap of about 25 percentage points. So, results from this study indicated that the value of a high confidence rating differs across face recognition ability.
However, one question I had was whether the results of the lineup study would extend to situations that more closely mirror our daily experiences recognizing people.
For example, you may need to recognize people from strange angles…
Or at different ages…
Or when they make the regrettable decision to bleach their hair in Secondary school.
To address this question, in a recent paper, I re-analyzed a dataset from Devue and colleagues
In Devue et al’s study, 32 participants were tested on their ability to recognize actors from the popular television series, Game of Thrones.
This approach comes with several advantages. For example, actors are encountered under more naturalistic conditions, with differences in lighting, viewing angle, and age.
Most importantly, there was incidental encoding in a much less controlled environment than my previous study. All participants watched 6 seasons in order as the show aired, without knowing that they would later need to recognize the actors.
And, if you’re a fan of Game of Thrones, you know that many characters are killed throughout the series. This creates some natural retention intervals based on the last time the actor appeared on the show. Participants needed to recognize faces from as far back as Season 1, or 6 years.
And actors had varying amounts of screen time. Leading actors have the most screen-time, whereas bit parts have the least.
Upon entering the study, participants took the CFMT Plus, which is an expanded version of the CFMT. They then completed an old/new recognition test of 168 faces, half old actors and half new foils.
Half of the participants completed the task with actors who looked similar to their most recent appearance in the show.
Whereas the other half saw a version where the actors were dissimilar as possible.
And, just to acquaint you to the task, this is an actor that the participants viewed in the show.
On each trial, participants needed to choose whether or not they had seen this person before.
And in this case, a yes response would be a correct identification.
After making their decision, participants provided a confidence rating ranging from 1 to 5. One is the least confident, whereas five is the most confident.
So, is confidence predictive of identification accuracy in this highly uncontrolled context?
The answer appears to be yes!
This pattern holds for large retention-intervals, in this case spanning 3 or more years.
Moreover, it largely holds for changes in exposure duration. However, you’ll notice that performance for bit parts is poor across levels of confidence. We think this is explained by chance levels of performance in this condition.
Finally, high confidence seems to be indicative of good identification accuracy for both similar and dissimilar faces.
However, our main focus was whether this confidence-accuracy relationship changes across the span of face recognition ability.
We find that it does. Poor face recognizers are once again more likely to make high confidence misidentifications than better face recognizers.
This pattern holds across retention intervals.
Across exposure durations, again except for bit parts.
And finally, across face similarity.
So, the take-home messages from this study are that confidence ratings were generally predictive of accuracy in a difficult, naturalistic test of face recognition
And, we replicated that face recognition ability influences the reliability of high confidence ratings, despite using other researchers’ data and a more ecologically valid context.
Concluding, I would like to bring up a couple points for discussion
First, how can we better map insights from the lab onto real-world face recognition. TV shows are a good start, but there are still some clear differences from everyday life. For example, what is the plot-line for the person you met at the dinner party the other day?
Second, we need to better understand the influence of individual differences on experimental outcomes. I believe face recognition ability likely explains some, but not all of the differences we see the predictive value of a confidence statement.
Finally, I want to thank all of my collaborators, both at the University of Virginia and elsewhere. Especially, my advisor Chad Dodson for helping me extensively with these projects.