a method of analyzing an interface by the standard principles of usability. For questions regarding whether to conduct a usability study or how to best go about testing.

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10
votes
4answers
7k views

Formative and Summative Usability Testing

I bumped into this document and it suggests the use of (a) Formative and (b) Summative Usability Testing. To be honest, is the first time that I bumped into this kind of terminology, and I while ...
43
votes
7answers
3k views

How do you prevent scope creep in agile projects when usability testing?

I have a client who recently asked me about this problem. I was wondering how you'd handle it? They are new to UX and to Agile methods, so they are struggling in interesting ways. As part of a ...
25
votes
2answers
870 views

Defining “Instantaneous” as part of usability acceptance criteria

The Setup I have run into this problem time and time again. An interface is performing slow and QA and/or Engineering come back and ask, "can you please define the acceptance criteria for how fast ...
9
votes
6answers
487 views

How to find out usability problems myself?

I'm a tester. Currently when I see something that I don't like I suggest amending it and specify how. However I don't often see specific problems in application's usability and when I do I don't ...
3
votes
4answers
1k views

Why is embedded help not popular?

I'm wondering why modern help systems are more passive than active? For example, each good guide through something look like this: So why we don't see this directly on website (service provider), ...
6
votes
4answers
1k views

How to A/B test a published IOS and Android app on actual users?

I've published several apps on IOS and Android adding flurry to measure the interaction that is happening in those apps, however, I'd love to enhance this interaction and make my apps more useful by ...
6
votes
2answers
1k views

Conducting a competitive analysis

What are the questions you need to ask or the methods you perform when you're doing a competitive web site analysis from a UX perspective? How do you gather the facts? When in the project process do ...
15
votes
2answers
837 views

5-second tests vs. the short-term memory

I've recently been participating in random tests on http://usabilityhub.com and I find myself cringing when the 5-second tests come up and feeling guilty at my seemingly useless responses once I'm ...
12
votes
5answers
995 views

When does statistical significance matter?

When does the statistical significance of a usability test matter? I ask because in a recent Boagworld podcast, Steve Krug talks about how he recommends testing with only three users. When asked if ...
8
votes
4answers
2k views

How to test a website for visually impaired users?

What techniques should I be using when testing of a website for visually impaired users that commonly occur due to aging such as macular degeneration, needing reading glasses, possible loss of ...
13
votes
5answers
221 views

How to rescue a usability test whose participant is lacking confidence?

Last night, I was conducting a usability test with a participant who was very uncertain of his actions. Before the test, I said all of the usual stuff about it being a test of the software and not ...
13
votes
13answers
313 views

Ideal number of candidates for user-testing

I'm creating a draft proposal for some user testing involving several quite basic wireframe prototypes. How many participants would people recommend for this type of exercise? The intention would be ...
12
votes
5answers
320 views

Tips for A/B testing?

There seems to an increasing number of A/B testing services (such as Google Website Optimiser) and people using them. Have you got any tips on using and analysing the results from them?
6
votes
5answers
512 views

How do you know when an interface is complete?

Meaning that a usability test measures if an interface meets the goals it sets, but only test what is present. How do I know when an interface is complete? Meaning a test, or measure of completeness, ...
13
votes
5answers
483 views

What ways to conduct user research quickly and cheaply are there?

Let's face it, in today's world - everything is moving fast and with approaches like agile, UX gets squeezed. It doesn't have to be this way and from what I hear many companies are using Sprint 0 ...
13
votes
4answers
631 views

Recording Debit/Credit Card Details at the start of a 'Free Trial'?

Does anyone have experience, analytics or similar on the impact of taking payment details at the start of a free trial period for a product? It's one of the things I hate the most about trialing ...
8
votes
3answers
185 views

When to end usability test task

I was wondering: if participant thinks he has found the solution to a task, do you end the task even if the solution is the wrong one? Eg. you task the participant to find some information, but he ...
8
votes
3answers
2k views

screen video capturing (usability test) on mobile

I'm trying to figure out how to conduct a usability test upon a handset device (smartphone). it seems there aren't many methods for screen video capturing of a user making use of an app. Do you know ...
6
votes
6answers
692 views

Finding out how users respond to look and feel

If you wanted to put designs in front of users and test how they feel about the visual designs look and feel. What questions could you ask to explore how users feel without being leading?
3
votes
3answers
682 views

Where is the best way to approach hallway usability testing?

I found UserTesting.com but it costs $40 per person which is super expensive. I want to test if I am communicating the correct message to users on our site. Where is a good place to do some hallway ...
10
votes
4answers
395 views

How can we communicate that UX work can't be done by just anyone?

About 2 years ago, I asked about a good usability/UX elevator pitch, so I can quickly explain what UX is whenever I need. But, to this date, I still can't get over one little issue: lots of people ...
7
votes
9answers
350 views

What are the pros and cons of getting design recommendations from usability test participants?

I'm looking over a usability report, and one thing is jumping out at me: at the end of each section in which an identified usability issue was discussed, is a section entitled "Recommendations." ...
4
votes
4answers
339 views

How many users must be tested when doing usability, and why?

Please provide empirical data. Just to be clear, I will not accept Jakob Nielsen's Alertbox, March 19, 2000: Why You Only Need to Test with 5 Users without solid empirical data to back it up. I find ...
3
votes
2answers
728 views

Where can I find existing System Usability Scale (SUS) results to compare against?

I'm looking for a resource of existing System Usability Scale (SUS) study results to compare against. I've read in a few papers/webpages that plenty of such data is available, unfortunately I can't ...
3
votes
2answers
1k views

Framework or plugin for tracking user actions on a web application

I've been working for a while on various proof-of-concept applications for social network privacy, which I've evaluated for publication with various user studies. Is there a useful, free, framework ...
10
votes
4answers
808 views

Form Design: Mutually Exclusive Tabs vs. One Form

I am working on a form design that currently has two mutually exclusive forms accessible via tabs (Option 1). During usability testing my team noticed that users missed the tabs and only noticed them ...
6
votes
2answers
392 views

Has anyone got experience of Feng GUI and been able to test it against real users?

One of my team is looking at using Feng GUI http://www.feng-gui.com/. Does anyone have experience of it and/or been able to test it against results of eye-tracking of real users?
3
votes
2answers
148 views

Should different users always be used for successive System Usability Scale testing?

A given project requires SUS scores for the current version of a piece of software, as well as the next version when it is prepared, to allow quantitative results to demonstrate any usability ...
3
votes
3answers
533 views

Does gender affect the results of a usability test?

There's a question on Quora asking for opinions about subjects' gender impact on usability tests. I think this topic is very interesting given that people of different genders prefer different visual ...
2
votes
6answers
252 views

User Testing and other best/most effective ways to implement UX in webpage

I am interested to know what some effective ways to determine and implement user experience would be. I think that user testing is a very effective one, i.e. getting people who are completely ...