The effects of worked examples on transfer of statistical reasoning
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An experiment compared the effectiveness of worked examples versus reading a textbook on learning statistical reasoning. Participants completed a pre-test, then the experimental group received a computer tutorial with worked examples and practice problems while the control group read textbook passages. On the post-test, the experimental group scored significantly higher on average than the control group, demonstrating that worked examples facilitated greater learning gains compared to traditional reading.
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Hypothesis testing part iv for paired observations
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This document discusses the implications of the World Trade Organization (WTO) on India's agricultural sector. It provides background on GATT, the predecessor to WTO, and explains key aspects of the WTO including its formation, purpose, and differences from GATT. The document then discusses India's large and historically important agricultural industry. It outlines issues such as low productivity and government interventions that impact the sector. Finally, it analyzes India's commitments under the WTO Agreement on Agriculture, including maintaining quantitative restrictions on imports and not providing direct export subsidies.
Discrete Probability Distributions
This document discusses several discrete probability distributions:
1. Binomial distribution - For experiments with a fixed number of trials, two possible outcomes, and constant probability of success. The probability of x successes is given by the binomial formula.
2. Geometric distribution - For experiments repeated until the first success. The probability of the first success on the xth trial is p(1-p)^(x-1).
3. Poisson distribution - For counting the number of rare, independent events occurring in an interval. The probability of x events is (e^-μ μ^x)/x!, where μ is the mean number of events.
Role of Statistics in Scientific Research
This document discusses the role and importance of statistics in scientific research. It begins by defining statistics as the science of learning from data and communicating uncertainty. Statistics are important for summarizing, analyzing, and drawing inferences from data in research studies. They also allow researchers to effectively present their findings and support their conclusions. The document then describes how statistics are used and are important in many fields of scientific research like biology, economics, physics, and more. It also provides examples of statistical terms commonly used in research studies and some common misuses of statistics.
M.Tech Final Seminar
Modelled and Analysed the watershed Dynamics in Mahanadi River Basin. Finally came up with watershed Management Plan to minimise the future LUCC in Mahanadi River Basin
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PROBABILITY DISTRIBUTION OF SUM OF TWO CONTINUOUS VARIABLES AND CONVOLUTION
PROBABILITY DISTRIBUTION OF SUM OF TWO CONTINUOUS VARIABLES AND CONVOLUTION
Ten Important Life Lessons on Nano Medicine Research Paper Taught Us
Ten Important Life Lessons on Nano Medicine Research Paper Taught Us
Statistical thinking in Medicine (Historical Overview)
Statistical thinking in Medicine (Historical Overview)
Similar to The effects of worked examples on transfer of statistical reasoning
2013 Sigma Xi MASTERY
This study examined the effects of different mastery criteria on learning neuroanatomy concepts using a stimulus equivalence paradigm. Thirty-one college students were randomly assigned to groups that required 12, 6, or 12 out of 12 correct responses to advance. The 12 consecutive correct group had the highest yield of students passing the post-test on the first try at 100%. In contrast, the 6 consecutive correct and 12 out of 12 block groups yielded 83.33% and 80% respectively. Requiring full mastery through 12 consecutive correct responses was the most effective approach for college-level content learning using stimulus equivalence.
Proposal to Study the Impact of Updating on Performance in Geometry
This study examined the impact of updating, a type of executive function, on performance in geometry problems. 300 10-year-olds completed geometry problems alone or with an additional tone response task. The dual task requiring updating (responding to the previous tone) led to slower reaction times and lower accuracy, suggesting updating plays a role in geometry performance. The results provide further evidence that updating is important for single-step math problems like those in geometry.
POWER POINT SEMINAR
This document summarizes a student's research on implementing cooperative learning with and without initial knowledge in a colloid systems class. The study found that giving students initial knowledge on the topic before cooperative group work led to better learning outcomes. Test scores improved more for the experimental class that received initial knowledge compared to the control class that did not. The research concluded that providing initial knowledge as part of cooperative learning is an effective teaching method to improve student understanding and chemistry learning outcomes.
THE IMPLEMENTATION OF COOPERATIVE LEARNING BY GIVING INITIAL KNOWLEDGE IN COL...
Penelitian tentang pemberian pengetahuan awal terhadap proses belajar mengajar melalui model pembelajaran cooperative learning pada materi koloid kimia SMA
Ppt oral
This document summarizes a student's research on implementing cooperative learning with and without initial knowledge in a colloid systems class. The study found that giving students initial knowledge on the topic before cooperative group work led to better learning outcomes. Specifically:
1. The student researcher conducted a study with two 11th grade science classes, providing one class initial knowledge through lecture before cooperative group work, while the other class did not receive initial instruction.
2. Test results showed that the class that received initial knowledge scored higher on average after the cooperative learning activity compared to the class without initial instruction.
3. Based on statistical analysis of the test results, the researcher concluded that giving students initial knowledge as part of cooperative learning led to
Assessing Complex Problem Solving Performances
The document describes an approach to assessing complex problem-solving performances using simulations. It discusses the challenges of multidimensionality and local dependence in extended simulation tasks. The approach uses Evidence-Centered Design to extract features from student performance data, evaluate the features, and make inferences about proficiency. It provides an example of assessing problem-solving with technology using the NAEP Problem-Solving in Technology-Rich Environments study, which measures scientific problem-solving skills through search and simulation modules that keep the content domain constant while varying the computer tools used.
An open problem in flow of fluids antonio valiente barderas, lucila méndez ch...
Abstract
Experimental teaching is very important in education of engineering´ students. This activity promotes the interactivity and the participation of the students, propitiating that they acquire knowledge, skills, habits and attitudes. In this work we present an open problem of flow of fluids that is solved by experimentation, to help the students achieve meaningful learning in this subject.
Keywords: Empirical models, flow of fluids, problem solving, experimentation.
Running Head Critical Evaluation on Note Taking1Critical Ev.docx
Running Head: Critical Evaluation on Note Taking
1
Critical Evaluation of Four Articles On Note Taking
Critical Evaluation of Four Articles On Note Taking
Note taking is the process of recording information from another source and is an integral part of university studies. Comprehensive studies have been conducted to underline the cognitive process of note taking. This essay aims to critique four research articles pertaining to the study of note taking namely by highlighting several pros and cons of certain methodologies used, to improve future researches done on the topic of note taking.
The first article aims to examine whether the use of laptops in note taking impairs learning compared to people who were using the longhand method (Mueller & Oppenheimer, 2014). They conducted three experiments to investigate whether taking notes on a laptop versus writing longhand would affect academic performance, and to explore the potential mechanism of verbatim overlap as a proxy for the depth of processing. They used an experimental design in order to achieve a quantitative result. Using five 15 minutes TED talks lectures, the use of either laptop or longhand method for note taking as a categorical variable, and 67 participant samples from different university research subject pools, they concluded that participants using laptops were more inclined to take verbatim notes than participants using the longhand method. An overlooked procedure of this methodology is that in their first study, either one or two students were placed in an enclosed room.Mueller & Oppenheimer (2014) unknowingly made this a variable in their experiment. Additionally, typical university lectures are done in an occupied lecture hall. Mueller and Oppenheimer (2014) should have had his experiments in a lecture hall with students while testing his participants, emulating an environment similar to the real world. Doing so would increase external validity without sacrificing internal validity. Participants were taken randomly from a pool of voluntary university students, which is a good representation of the larger population for their hypothesis of the experiment. Mueller and Oppenheimer (2014) did not account for how the participants usually took notes in their classes. Instructing the participants to take down notes in a medium they are not used to could have affected their implicit processing of information, affecting results. The experimenters should have divided the participants into two separate groups based on which medium they were more comfortable in using. A third control group whereby participants did not take notes would have been beneficial to this experiment, eliminating compromising factors such as selection threats (Trochim, 2006).
The next article alleviates most of the previously stated concerns. This experiment was conducted to determine whether students’ note-taking and online chatting can influence their recalls of lecture content and note quality (Wei , Wang .
An Exercise To Teach The First Law Of Thermodynamics For An Open System Using...
The document describes an active learning exercise that uses a hair dryer to teach students about the first law of thermodynamics for open systems. The exercise uses guided inquiry, where students are asked questions to prompt them to make predictions about how the hair dryer's outgoing air stream would be affected by changes to its parameters. Students then test their predictions and analyze the results. The goal is for students to develop a deeper qualitative understanding of thermodynamics concepts through active involvement in experimentation, rather than just passive observation or verification of theories through traditional labs.
final
This document describes a Computer Aided Testing System (CATS) designed to provide insight into students' reasoning patterns. CATS administers online tests and tracks students' responses, including response times and notes made on questions. It aims to emulate paper test-taking strategies. Test questions are randomly selected from pools of various difficulty levels. Student and teacher reports link performance to patterns in students' reasoning to support reflection and improve instruction.
“Discovery with Models”
In the discovery with models method identification relationships among students behaviors and characteristics or contextual variables are key applications.
Time To Practice Week 3
The document discusses an investigation into how two marine invertebrates, the shore crab (Carcinus maenas) and lugworm (Arenicola marina), regulate their bodily fluid concentrations in response to varying salinity levels in seawater. The study found that C. maenas was able to maintain a constant internal osmolarity despite changes in external salinity, demonstrating it is an osmoregulator. In contrast, A. marina's internal osmolarity matched changes in external salinity, showing it is an osmoconformer. The results provide insight into the differing osmoregulatory abilities of marine invertebrates under changing environmental conditions.
A scenario based learning of electrical circuits
This document presents a framework for teaching electrical circuits using scenario-based learning. The framework consists of 5 activities where student teams use simulation software to explore series, parallel, and combination circuits. Through guided discovery and discussion, students learn the concepts of voltage, current, and resistance in different circuit types. The goal is for students to develop problem-solving skills and gain a conceptual understanding of electrical principles. Assessment involves discussion as students compare their predictions and findings. The scenario is designed using constructivist and cooperative learning principles to actively engage students in building knowledge through hands-on exploration and peer collaboration.
A Comparison And Evaluation Of Personal Response Systems In Introductory Comp...
The document compares and evaluates the use of personal response systems (PRS) in two sections of an introductory computer programming course. PRS allow students to anonymously answer questions during lectures using clicker transmitters. One section used PRS while the other did not. Both sections used interactive lecture techniques and discussion questions. The study found that using PRS increased student engagement during lectures and improved understanding of course material compared to the section without PRS, as measured by student surveys, interviews, observations, and exam scores. Prior studies also found PRS improved learning when combined with interactive techniques, but did not conclusively determine the impact of PRS alone. This study aimed to directly compare the impact of PRS versus no PR
Ujer.2013.010304
The document discusses a study that compared the effectiveness of the Concept Attainment Model (CAM) of teaching versus the traditional method (TM) of teaching physics concepts to 9th grade students in India. The study found:
1) Students who were taught using CAM had significantly higher adjusted post-test scores in understanding physics concepts than students taught using TM, when accounting for prior physics knowledge and intelligence as covariates.
2) There was no significant difference in student liking of the CAM method versus the TM.
3) There was no significant interaction effect of teaching method (CAM vs. TM) and gender on physics concept understanding.
4) There was also no significant interaction effect of teaching method and intelligence level
Parallel Genetic Algorithms for University Scheduling Problem
University scheduling timetabling problem, falls into NP hard problems. Re-searchers have tried with many techniques to find the most suitable and fastest way for solving the problem. With the emergence of multi-core systems, the parallel implementation was considered for finding the solution. Our approaches attempt to combine several techniques in two algorithms: coarse grained algorithm and multi thread tournament algorithm. The results obtained from two algorithms are compared, using an algorithm evaluation function. Considering execution time, the coarse grained algorithm performed twice better than the multi thread algorithm.
activity based teaching
This document describes the methodology and experimental design of a study examining the effects of activity-based teaching methods versus traditional lecture methods in secondary school physics students.
The study used an equivalent group pretest-posttest design, randomly assigning 50 9th grade students from a school in Pakistan to either the control group (taught via lecture) or experimental group (taught via activities). Both groups took pre- and post-tests constructed from the textbook curriculum.
Statistical analysis of pre-test scores found no significant differences in the starting achievement levels of the two groups. Post-test results were then analyzed using t-tests to determine if any significant differences emerged between the groups' learning gains from the different teaching methods.
Jurnal ijssh rufi'i
This document discusses the development and testing of an algo-heuristic model to improve statistics learning among elementary school teacher education students. It involved three phases: 1) expert evaluation of the model, 2) testing with lecturers, and 3) pre-experimental testing with students. Test results found a significant increase in student test scores after using the model, indicating it can effectively improve statistics learning. The document also reviews various literature on algo-heuristic learning theories and algorithms.
METHODS FOR INCREMENTAL LEARNING: A SURVEY
This document discusses methods for incremental machine learning. It begins with an introduction that defines incremental learning as adapting what has been learned based on new examples over time, without assuming all training data is initially available.
The document then reviews two traditional approaches: data accumulation, where a new hypothesis is generated based on all accumulated data when new data arrives, and ensemble learning, where new hypotheses are generated from new data and combined through voting.
Specific incremental learning algorithms are then summarized, including unsupervised methods like CF1, CF2, and ARTMAP, and supervised methods like Learn++, Learn++.NC, and using genetic algorithms. The document provides an overview of current incremental learning research.
Laws Of The Teacher
This is a compilation of all of my research assessments on studies I found relating to the Laws Of The Teacher.
Similar to The effects of worked examples on transfer of statistical reasoning (20)
Proposal to Study the Impact of Updating on Performance in Geometry
Proposal to Study the Impact of Updating on Performance in Geometry
THE IMPLEMENTATION OF COOPERATIVE LEARNING BY GIVING INITIAL KNOWLEDGE IN COL...
THE IMPLEMENTATION OF COOPERATIVE LEARNING BY GIVING INITIAL KNOWLEDGE IN COL...
An open problem in flow of fluids antonio valiente barderas, lucila méndez ch...
An open problem in flow of fluids antonio valiente barderas, lucila méndez ch...
Running Head Critical Evaluation on Note Taking1Critical Ev.docx
Running Head Critical Evaluation on Note Taking1Critical Ev.docx
An Exercise To Teach The First Law Of Thermodynamics For An Open System Using...
An Exercise To Teach The First Law Of Thermodynamics For An Open System Using...
A Comparison And Evaluation Of Personal Response Systems In Introductory Comp...
A Comparison And Evaluation Of Personal Response Systems In Introductory Comp...
Parallel Genetic Algorithms for University Scheduling Problem
Parallel Genetic Algorithms for University Scheduling Problem
Recently uploaded
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...
(June 12, 2024) Webinar: Development of PET theranostics targeting the molecu...Scintica Instrumentation
Targeting Hsp90 and its pathogen Orthologs with Tethered Inhibitors as a Diagnostic and Therapeutic Strategy for cancer and infectious diseases with Dr. Timothy Haystead.ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...
ESA/ACT Science Coffee: Diego Blas - Gravitational wave detection with orbita...Advanced-Concepts-Team
Presentation in the Science Coffee of the Advanced Concepts Team of the European Space Agency on the 07.06.2024.
Speaker: Diego Blas (IFAE/ICREA)
Title: Gravitational wave detection with orbital motion of Moon and artificial
Abstract:
In this talk I will describe some recent ideas to find gravitational waves from supermassive black holes or of primordial origin by studying their secular effect on the orbital motion of the Moon or satellites that are laser ranged.The cost of acquiring information by natural selection
This is a short talk that I gave at the Banff International Research Station workshop on Modeling and Theory in Population Biology. The idea is to try to understand how the burden of natural selection relates to the amount of information that selection puts into the genome.
It's based on the first part of this research paper:
The cost of information acquisition by natural selection
Ryan Seamus McGee, Olivia Kosterlitz, Artem Kaznatcheev, Benjamin Kerr, Carl T. Bergstrom
bioRxiv 2022.07.02.498577; doi: https://doi.org/10.1101/2022.07.02.498577
在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
学校原件一模一样【微信：741003700 】《(salfor毕业证书)索尔福德大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Ozturkcan, S., Berndt, A., & Angelakis, A. (2024). Mending clothing to support sustainable fashion. Presented at the 31st Annual Conference by the Consortium for International Marketing Research (CIMaR), 10-13 Jun 2024, University of Gävle, Sweden.
Sexuality - Issues, Attitude and Behaviour - Applied Social Psychology - Psyc...
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
Calcium gluconate
Complexometric Titration/ chelatometry titration/chelating titration, introduction, Types-
1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
Indicators/Metal ion indicators/ Metallochromic indicators/pM indicators,
Visual Technique,PM indicators (metallochromic), Indicators of pH, Redox Indicators
Instrumental Techniques-Photometry
Potentiometry
Miscellaneous methods.
Complex titration with EDTA.
Authoring a personal GPT for your research and practice: How we created the Q...
Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
Pests of Storage_Identification_Dr.UPR.pdf
InIndia-post-harvestlosses-unscientificstorage,insects,rodents,micro-organismsetc.,accountforabout10percentoftotalfoodgrains
Graininfestation
Directdamage
Indirectly
•theexuviae,skin,deadinsects
•theirexcretawhichmakefoodunfitforhumanconsumption
About600speciesofinsectshavebeenassociatedwithstoredgrainproducts
100speciesofinsectpestsofstoredproductscauseeconomiclosses
waterlessdyeingtechnolgyusing carbon dioxide chemicalspdf
The technology uses reclaimed CO₂ as the dyeing medium in a closed loop process. When pressurized, CO₂ becomes supercritical (SC-CO₂). In this state CO₂ has a very high solvent power, allowing the dye to dissolve easily.
Farming systems analysis: what have we learnt?.pptx
Presentation given at the official farewell of Prof Ken Gillet at Wageningen on 13 June 2024
快速办理(UAM毕业证书)马德里自治大学毕业证学位证一模一样
学校原件一模一样【微信：741003700 】《(UAM毕业证书)马德里自治大学毕业证学位证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
Describing and Interpreting an Immersive Learning Case with the Immersion Cub...
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
Travis Hills of MN is Making Clean Water Accessible to All Through High Flux ...
By harnessing the power of High Flux Vacuum Membrane Distillation, Travis Hills from MN envisions a future where clean and safe drinking water is accessible to all, regardless of geographical location or economic status.
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The effects of worked examples on transfer of statistical reasoning
- 1. ResultsResults Participants did not differ on pretest scores (p > .05). The average posttest score was 84.71% (SD= 13.98) for the experimental group and 61.11% (SD= 16.54) for the control group, which was statistically significant, t(16)=3.27, p =.005. Figure 1 displays posttest scores. On average, experimental participants’ increased scores by 30.09 percentage points, while control participants increased by 7.87 percentage points (p=.017). General ProcedureGeneral Procedure Each participant completed a pretest, a computerized teaching portion, and a posttest. The participants in the experimental group were taught through worked examples and practice and feedback, whereas those in the control group read excerpts from a textbook which covered the same content. BackgroundBackground Research suggests that worked examples reduce the cognitive load placed on learners, which allows them to learn new information more efficiently and effectively. This phenomenon is referred to as the worked-example effect and is best explained by cognitive load theory. The theory suggests that exploration of complex settings generates heavy working memory load, which is detrimental to the learning process, especially for novice learners (Kirschner, Sweller, and Clark, 2006). Worked examples practice on the other hand, causes a much smaller cognitive load, thereby allowing novice learners to learn more information. The current study examined the effect of worked examples on transfer of statistical reasoning, as compared to traditional study techniques. Marianna Lamnina and Daniel M. Fienup, Ph.D., BCBA-D Department of Psychology, Queens College (CUNY), Flushing, NY The Effects of Worked Examples onThe Effects of Worked Examples on Transfer of Statistical ReasoningTransfer of Statistical Reasoning Participants, Setting, and MaterialsParticipants, Setting, and Materials Eighteen undergraduate students taking Introduction to Psychology at CUNY Queens College participated in this study. The study was conducted in a computer lab with 3 cubicles, each containing a Windows-compatible computer used to complete the teaching portion of the study. Participants of both groups also completed paper and pencil pre and posttest assessments. The assessments were typed and contained eight abstracts, each of which was followed by three multiple choice questions. Each question had two choices from which the participant was to select one. General DiscussionGeneral Discussion Overall, completion of the computer program with worked examples and practice and feedback caused a larger increase in scores from pretest to posttest than completion of the computer program with scanned textbook pages. The present study builds on the available research on cognitive load theory by introducing an additional area in which worked examples can be used. It also demonstrates that worked examples can be used for more than teaching problem-solving skills; they can also be used to teach decision making processes, such as those necessary for interpreting and understanding the significance of scientific studies. Worked ExampleWorked Example Practice and FeedbackPractice and Feedback Control GroupControl Group Participants assigned to this group read information about hypothesis testing from a popular statistics book. Experimental GroupExperimental Group Participants assigned to this group completed a computerized tutorial containing worked examples. These consisted of a definition, an abstract with the appropriate portion underlined (i.e. dependent variable, alternative hypothesis, p-value, etc.), and a sentence explaining the underlined portion. To promote transfer, information in the abstracts was found in different locations. Additionally, for some abstracts separate words or phrases were underlined, while for others entire sentences were underlined.