4 votes

How many participants are needed for online reaction time studies?

There are four variables of interest in a statistical power analysis: power (often chosen as 0.8 or 0.9 by convention, this is the probability of correctly rejecting the null hypothesis if it is false)...
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4 votes
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Is sign language handled differently by the brain than spoken laguage?

For a broad meaning of "similarly", the answer is yes, the processing of sign language has substantial similarities with that of spoken language, in terms of brain areas involved. There are ...
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2 votes

Does similar writing style tell us the writers are similar with respect to some measure/perspective?

To me the most obvious similarity factor would be culture/schooling. And that also creates a large confounder for the things you ask about (personality etc.) A bit of searching did find a paper from ...
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2 votes

how to statistically analyse accuracy data (psycholinguistics)

Sounds interesting! Transferring counts into percentages definitely loses some information: 1/2 is not the same evidence as 100/200, but the difference is lost as a percentage. ANOVA is pretty ...
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2 votes
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What can be learned from a persistent typing or writing error that happens frequently?

Questions about typing or writing errors come up on the forum from time to time (see example provided in comments). Posters are usually interested in: Term for describing the error. Frequency of ...
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1 vote

Automatic pseudo-randomization of stimuli in R

You can use the "sample" function: https://stat.ethz.ch/R-manual/R-devel/library/base/html/sample.html Start with a list of the stimuli you want to present. For example, if you have two ...
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