SEp_from_SDp | R Documentation |
IMPORTANT: When there is only one group, the following method has to be used: SE_from_SD()
Calculates the pooled standard error for two groups (e.g., intervention effect).
SEp_from_SDp(SDp, n1, n2)
SDp |
pooled standard deviation |
n1 |
sample size group 1 |
n2 |
sample size group 2 |
Pooled standard error for two groups (e.g. standard error of intervention effect)
SE_from_SD()
for a single group
# Pooled standard deviation = 2, sample size group a = 50, sample size group b = 75
SEp_from_SDp(2, 50, 75)
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