Usability: Test Types & Ethics

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The document discusses different types of usability testing, including exploratory/formative testing which aims to understand why users have difficulties, and assessment/summative testing which evaluates how well a system performs. It also covers iterative design, validation/verification testing, and comparisons between systems. Usability testing should use representative samples of end users, observe them in actual work environments, and include interviews and measurements of performance. The goal is to recommend improvements and ensure ethical treatment of human subjects.

Usability Testing Types

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Remember our
core terms:

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• Efﬁciency
• Learnability

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• Efﬁciency
• Learnability
• Satisfaction

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• Efﬁciency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)

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• Efﬁciency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)
• Memorability (N)

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• Efﬁciency
• Learnability
• Satisfaction
• Effectiveness (R&C) / Errors (N)
• Memorability (N)
• Accessibility (R&C)

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accessibility

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“making products usable
by people who have
disabilities.”
(R&C 5)

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the absence of frustration.

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Let’s talk testing.

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Bailey’s Human
Performance Model

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• the human
• the context
• the activity

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user-centered design

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“UCD is the techniques, processes, methods, and
procedures for designing usable products and systems...

It is the philosophy that places the user at the center of
the process.”

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How do we ﬁgure
this out?

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In a perfect world, you
start from the
beginning.

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We are not working in
perfect worlds.

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$74,000 - $105,000

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Instead, we’re going
to DIY.

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Band on every street corner.
A ‘zine in every bar.

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A usability specialist in every workplace.

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quick & dirty
experiments.

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human subjects

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our job is to

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develop:

- research questions

- test objectives

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Representative sample
of users

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Representation of
actual work
environments.

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Observation of
end users

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Collection of
performance and
preference measures.

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Recommendation of
improvements.

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iterative design

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Exploratory/Formative

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Not how well. (Yet.)

Why.

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Assessment /
Summative

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now we’re into
how well. Sort of.

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Validation / Veriﬁcation

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Testing Environments

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Lab
Onsite
Mobile
Remote

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observer location

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recording movement?
recording sound?
recording expressions?

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honest
fair
responsible

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informed
consent

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conﬁdentiality

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manipulation of data

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validity / reliability

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- techniques / methods
- researcher’s stance
- assumptions

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relationship with
audience

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Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process. In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds. - These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.

Let's Integrate MuleSoft RPA, COMPOSER, APM with AWS IDP along with Slack

shyamraj55

Climate Impact of Software Testing at Nordic Testing Days

Kari Kakkonen

My slides at Nordic Testing Days 6.6.2024 Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.

“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...

Edge AI and Vision Alliance

For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/ Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit. In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing. van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.

How to use Firebase Data Connect For Flutter

Daiki Mogmet Ito

Cosa hanno in comune un mattoncino Lego e la backdoor XZ?

Speck&Tech

ABSTRACT: A prima vista, un mattoncino Lego e la backdoor XZ potrebbero avere in comune il fatto di essere entrambi blocchi di costruzione, o dipendenze di progetti creativi e software. La realtà è che un mattoncino Lego e il caso della backdoor XZ hanno molto di più di tutto ciò in comune. Partecipate alla presentazione per immergervi in una storia di interoperabilità, standard e formati aperti, per poi discutere del ruolo importante che i contributori hanno in una comunità open source sostenibile. BIO: Sostenitrice del software libero e dei formati standard e aperti. È stata un membro attivo dei progetti Fedora e openSUSE e ha co-fondato l'Associazione LibreItalia dove è stata coinvolta in diversi eventi, migrazioni e formazione relativi a LibreOffice. In precedenza ha lavorato a migrazioni e corsi di formazione su LibreOffice per diverse amministrazioni pubbliche e privati. Da gennaio 2020 lavora in SUSE come Software Release Engineer per Uyuni e SUSE Manager e quando non segue la sua passione per i computer e per Geeko coltiva la sua curiosità per l'astronomia (da cui deriva il suo nickname deneb_alpha).

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Ocean lotus Threat actors project by John Sitima 2024 (1).pptx

SitimaJohn

Ocean Lotus cyber threat actors represent a sophisticated, persistent, and politically motivated group that poses a significant risk to organizations and individuals in the Southeast Asian region. Their continuous evolution and adaptability underscore the need for robust cybersecurity measures and international cooperation to identify and mitigate the threats posed by such advanced persistent threat groups.

Full-RAG: A modern architecture for hyper-personalization

Zilliz

Mike Del Balso, CEO & Co-Founder at Tecton, presents "Full RAG," a novel approach to AI recommendation systems, aiming to push beyond the limitations of traditional models through a deep integration of contextual insights and real-time data, leveraging the Retrieval-Augmented Generation architecture. This talk will outline Full RAG's potential to significantly enhance personalization, address engineering challenges such as data management and model training, and introduce data enrichment with reranking as a key solution. Attendees will gain crucial insights into the importance of hyperpersonalization in AI, the capabilities of Full RAG for advanced personalization, and strategies for managing complex data integrations for deploying cutting-edge AI solutions.

Fueling AI with Great Data with Airbyte Webinar

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Usability: Test Types & Ethics

1. Usability Testing Types Wednesday, February 8, 12

2. Remember our core terms: Wednesday, February 8, 12

3. Wednesday, February 8, 12

4. • Efﬁciency Wednesday, February 8, 12

5. • Efﬁciency • Learnability Wednesday, February 8, 12

6. • Efﬁciency • Learnability • Satisfaction Wednesday, February 8, 12

7. • Efﬁciency • Learnability • Satisfaction • Effectiveness (R&C) / Errors (N) Wednesday, February 8, 12

8. • Efﬁciency • Learnability • Satisfaction • Effectiveness (R&C) / Errors (N) • Memorability (N) Wednesday, February 8, 12

9. • Efﬁciency • Learnability • Satisfaction • Effectiveness (R&C) / Errors (N) • Memorability (N) • Accessibility (R&C) Wednesday, February 8, 12

10. accessibility Wednesday, February 8, 12

11. “making products usable by people who have disabilities.” (R&C 5) Wednesday, February 8, 12

12. Wednesday, February 8, 12

13. Wednesday, February 8, 12

14. Wednesday, February 8, 12

15. Wednesday, February 8, 12

16. Wednesday, February 8, 12

17. Usability is Wednesday, February 8, 12

18. the absence of frustration. Wednesday, February 8, 12

19. Let’s talk testing. Wednesday, February 8, 12

20. Bailey’s Human Performance Model Wednesday, February 8, 12

21. • the human • the context • the activity Wednesday, February 8, 12

22. user-centered design Wednesday, February 8, 12

23. “UCD is the techniques, processes, methods, and procedures for designing usable products and systems... It is the philosophy that places the user at the center of the process.” Wednesday, February 8, 12

24. How do we ﬁgure this out? Wednesday, February 8, 12

25. In a perfect world, you start from the beginning. Wednesday, February 8, 12

26. We are not working in perfect worlds. Wednesday, February 8, 12

27. Wednesday, February 8, 12

28. Wednesday, February 8, 12

29. $74,000 - $105,000 Wednesday, February 8, 12

30. Wednesday, February 8, 12

31. Instead, we’re going to DIY. Wednesday, February 8, 12

32. Wednesday, February 8, 12

33. Band on every street corner. A ‘zine in every bar. Wednesday, February 8, 12

34. A usability specialist in every workplace. Wednesday, February 8, 12

35. quick & dirty experiments. Wednesday, February 8, 12