When conducting a Dependent-Samples (Matched-Pairs, Paired Samples) T-Test, the degrees of freedom is calculated using the following equation/symbol:

Group of answer choices

N-2

N-1

N

p - 0.05

When conducting an Independent Samples T-Test in SPSS, which of the following is the "grouping" variable?

Group of answer choices

independent variable

dependent variable

control variable

subject number

If you use r squared (r2) to calculate the effect size for an Independent samples t-test and you get 0.09, you would interpret this as what size of effect?

Group of answer choices

small

medium

large

no effect