A study conducted by the National Institute of Mental Health revealed that when participants received a message about safe sex practices in a discussion format, they changed their sexual practices. In this study, the independent variable was
a. a subject variable.
b. a situational variable.
c. an instructional variable.
d. a measured variable.
Question 2
When two experimental groups in a study participate in their conditions in different locations (e.g., a classroom versus a community center), the independent variable is
a. a situational variable.
b. a participant variable.
c. an instructional variable.
d. a subject variable.