Questions tagged [statistics]
Statistics about a software usage.
57 questions
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How to provide an “expected” set of answers for a qui-square test?
I just completed a training on Quantitative Research for UX.
The instructor uses the χ² (qui-squared) test throughout the course to determine if patterns can be determined in the study results, if ...
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Interpretation of different results for usability
Overview:
For a study, two independent groups evaluated a system using two different usability measures (SUS and PSSUQ).
The PSSUQ collects slightly better scores when translated into the range 0-100 ...
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Appropriate statistical test for unclear/non-normal raw data distribution of small sample size
Given data:
30 datapoints in the form of usability scores (e.g. SUS)
2 groups within data
Objective:
Investigate statistical significance of difference between usability scores of two groups
Problem:
...
- 121
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A/B testing - client wanted the test run 70/30
We recently ran an A/B test for a new sidebar in a checkout flow. New variant 70% of traffic, old 30% of traffic. We tried to get client to run at 50/50 but they were sure our version was an ...
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How can i interpret the observed difference in a/b test?
I conducted an a/b test but I was confused about how to interpret the result.
I got 0.5% difference between control and treatment groups and statistical significance for the difference (p <0.05).
...
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Statistical breakdown of use of naked vs www and http vs https when users type URLs?
When users type URLs into the browser (i.e. in order to visit a web page), of the 6 possible permutations, what is the percent of the time that each permutation is entered?
example.com
http://example....
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What percent of the web's images have alt text?
Web developers are strongly encouraged to add alt text (via the <img> tag's alt="text here" attribute) when adding images to webpages.
Here's an example of alt text providing a ...
- 299
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Stats on percentage of desktop and laptop computers with high resolution monitors
Mobile phones and tablets nowadays all come with high-resolution (pixel density) screens. New Apple computers come with at least 218 pixels/inch.
– Does anyone know the percentage of desktop and ...
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How much does bounce rate vary according to page load speed?
When a user loads a page by clicking on a link or image they may stay and read the content or they may "bounce" (leave).
Presuming fewer people stick around the longer the page takes to load,...
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Any best practice on how to represent player progress stat in a game?
I'm making a musical game where user should recognize notes and get faster at note reading. I'm in the designing process and I get quite stuck on the designing of the player progress on the level ...
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What percentage of average users know about Find (ctrl or cmd + f), and Find and Replace, native to applications? [duplicate]
I'm having trouble finding recent data on what percentage of average users use, or even know about, the Find feature native to most applications.
I recently found a mention of a white collar worker ...
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Are there stats about height of browser windows worldwide / by industry?
I wonder because I'm working on the design of trade platform and found that a lot of moments need improvements due to the different viewports on different devices and so on. The platform does not need ...
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How to display data with variation to unsophisticated users?
In my application, students are grouped into classes and each student has a performance metric. I want to be able to show teachers and principals a list of classes, along with an aggregate performance ...
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Statistics (or tools) on screen calibration & readability
Fairly straight forward question, but I could not find any answers to it. Are there any known statistics regarding screen calibration & readability?
Are there any colors to avoid where screen ...
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How many test participants to 'prove' an issue?
Its often said that 5-10 usability testing participants is what you should aim for to identify the bulk of issues in a system. There's loads of research behind this. This is the right way to do ...
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