In her study of student athlete's achievement motivation, Katie administers a self-report achievement motivation scale before she starts a new motivation enhancement intervention. After the intervention, Katie again assesses students' achievement motivation. She set her alpha at p=.05, and reported that there were no significant findings in her study.
-Which statistical analysis was appropriate for Katie to use to determine if there were treatment differences in her study?
A) Pearson r
B) ANOVA
C) Spearman rho
D) T-Test

Question

Quizplus · Accepted Answer

Katie should use a T-Test to compare the means of the achievement motivation scores before and after the intervention to determine if there were significant differences due to the treatment.

In Her Study of Student Athlete's Achievement Motivation, Katie Administers