This shows you the differences between two versions of the page.
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en:create:functions:valuesd [24.01.2015 16:32] – [Examples] alexander.ritter | en:create:functions:valuesd [29.09.2020 21:10] (current) – [Examples] sophia.schauer | ||
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* // | * // | ||
- | **Note:** This works in the same way as '' | + | **Note:** This works in the same way as '' |
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$sd = valueSD(' | $sd = valueSD(' | ||
if ($sd == 0) { | if ($sd == 0) { | ||
- | | + | |
} | } | ||
</ | </ | ||
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</ | </ | ||
- | **Note:** The standard deviation of a scale is not a valid indication of data quality in a questionnaire. ((Leiner, Dominik J. (2014). Too Fast, Too Straight, Too Weird. Post Hoc Identification of Meaningless Data in Internet Surveys. Available on https:// | + | **Note:** The standard deviation of a scale is not a valid indication of data quality in a questionnaire. ((Leiner, Dominik J. (2014). Too Fast, Too Straight, Too Weird. Post Hoc Identification of Meaningless Data in Internet Surveys. Available on https:// |