A journal report of the results of a tind on two groups in an experiment should include which of the following?
A)The sample size.
B)The mean and a measure of variability for each group.
C) $\eta ^ { 2 }$ ∗
D)All the above.

Question

Quizplus · Accepted Answer

All of the above are necessary components to report in a journal report of the results of a t-test on two groups in an experiment. The sample size is necessary to indicate the size of each group being compared. The mean and measure of variability for each group provide information about the central tendency and spread of scores within each group. Finally, reporting the effect size in the form of $\eta ^ { 2 }$ provides important information about the magnitude of the difference between the groups beyond just reporting p-values or significance levels.

A Journal Report of the Results of a Tind on Two