For a within-subjects experiment with data measured on an interval or ratio scale, researchers typically compute a mean score for each treatment condition.

Question

Quizplus · Accepted Answer

Within-subjects experiments involve comparing scores from the same participants under different conditions. For data measured on an interval or ratio scale, the most appropriate way to analyze the data is by computing the mean score for each treatment condition for each participant, and then analyzing the mean scores using statistical tests.

For a Within-Subjects Experiment with Data Measured on an Interval