In the t test for repeated measures the symbol S_D stands for the A) standard error of the mean. B) standard error of differences between means. C) standard deviation of differences scores. D) There is no way to know.

Question

Quizplus · Accepted Answer

The S_D represents the sum of squares for the differences between the scores in two related groups, and this is used to calculate the variance of the differences. Therefore, it represents the standard deviation of the differences scores, making option C the correct choice.

In the T Test for Repeated Measures the Symbol SD

In the T Test for Repeated Measures the Symbol S_D