✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.
A researcher wanted to see how watching movies influenced subjects’ IQ scores. She gave IQ tests to subjects following each of two movies. Half of the subjects first saw Titanic followed by Schindler’s List, while the other half first saw Schindler’s List and then Titanic. Varying the movie order is an example of:
Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!