Unnithan, Houser, and Fernhall (2006) were interested in whether playing the game Dance Dance Revolution (DDR) affected the heart rate of overweight and non-overweight adolescents differently.A group of 22 adolescents, 10 classified as overweight and 12 as not overweight played DDR for 12 minutes, during which time the researchers measured each participant's heart rate.Which statistical test should the researchers use to analyze their data?
A) single-sample t test
B) z test
C) independent-samples t test
D) dependent-samples t test

Question

Quizplus · Accepted Answer

The researchers are comparing two independent groups (overweight and non-overweight), so an independent-samples t test is the most appropriate statistical test for this study.

Unnithan, Houser, and Fernhall (2006) Were Interested in Whether Playing