For which of the following would an independent samples t-test be most appropriate?
A) examining the performance difference between participants who took an SAT preparation class and participants who did not
B) investigating psychological adjustment following the loss of a loved one
C) a cognitive study examining the difference in three different types of memory aids
D) examining whether one's astrological sign predicts well-being

Question

Quizplus · Accepted Answer

An independent samples t-test is most appropriate for comparing the means of two independent groups to see if there is a statistically significant difference between them. Option A involves comparing two distinct groups (those who took an SAT preparation class and those who did not) on a single continuous outcome (performance), making it the best fit for an independent samples t-test.

For Which of the Following Would an Independent Samples T-Test