Does exposure to classical music (through instrument lessons or concert attendance) improve a child's scholastic performance? In a study, researchers measured the amount of exposure to classical music for a group of children, along with their scores on the state's academic proficiency exam. The explanatory variable in this study is:
A)the type of instrument a child plays.
B)the child's score on the state's proficiency exam.
C)the amount of exposure a child has to classical music.
D)whether a child passed the state's proficiency exam.

Question

Quizplus · Accepted Answer

The explanatory variable in this study is the amount of exposure a child has to classical music. This is the variable that is being studied to see if it has an impact on a child's scholastic performance. The other answer choices are either irrelevant or part of the outcome variable.

Does Exposure to Classical Music (Through Instrument Lessons or Concert