If you were a researcher interested in examining whether high levels of trait anxiety cause greater interpersonal difficulties with others you would need to conduct a(n):
A) interview.
B) survey.
C) experiment.
D) observational study.

Question

Quizplus · Accepted Answer

To examine causality, such as whether high levels of trait anxiety cause greater interpersonal difficulties, an experiment is necessary because it allows the researcher to manipulate the independent variable (in this case, levels of trait anxiety) and observe the effect on the dependent variable (interpersonal difficulties), under controlled conditions.

If You Were a Researcher Interested in Examining Whether High