Michele Is Interested in the Effects on Learning Outcomes of Questions

Multiple Choice

Michele is interested in the effects on learning outcomes of questions within instructional materials delivered to learners via the web. She randomly assigns students to groups given either materials with questions or materials with no questions and assesses the effects of the questions based upon student performance on multiple-choice questions administered after learning. Of the following, Michele's research could best be described as

A) survey.
B) correlational.
C) experimental.
D) narrative.