Description Usage Arguments Value Author(s) Examples
t test function for paired t test including Hedges g and power
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pre |
The variable containing the values from before the intervention |
post |
The variable containing the values from after the intervention |
data |
The data set containing the variables |
alternative |
Direction of the alternative. Can have the values "less" or "greater". |
sig.level |
The accepted probability for a type I error. |
a list containing results from t test for dependent variables, effect size and power
Matthias Ziegler
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