Exhibit 12-3 Suppose a Researcher Measured the Test Scores of College

Multiple Choice

Exhibit 12-3 Suppose a researcher measured the test scores of college students who were taught chemistry in the presence of one type of music (country,rock,or classical) in one of three different colored classrooms (red,green,or blue) .
Refer to Exhibit 12-3.If a factorial design were used,what are the two independent variables?

A) music and classroom color
B) music and grade level
C) test scores and music
D) classroom color and test scores