Jabari Wants to Understand Why Some People Perform Better in Front

Multiple Choice

Jabari wants to understand why some people perform better in front of an audience and others do not. In order to investigate this research question he has participants run as fast as they can while alone or in the presence of an audience. What type of research design is Jabari using?

A) behavioral trace
B) self-report
C) behavioral observation
D) physiological measure