An Experimenter Created Two Different Groups of Participants and Gave

Multiple Choice

An experimenter created two different groups of participants and gave each group a different instructional program on the anatomy of the eye. After the instructional program each group was given a multiple choice test to assess their knowledge of the eye. In this experiment, the multiple choice test used to assess the participant's knowledge
Was the variable.

A) independent
B) dependent
C) subject
D) extraneous