An investigator divides participants into those who went to college and those who did not. After testing each participant,she finds that those who went to college know more about current news events than those who did not go.She concludes that going to college causes people to become more interested in news events.What issue should this researcher have considered before drawing this conclusion?
A)The "file drawer" problem
B)Manipulated versus nonmanipulated variables
C)Prediction versus hindsight
D)The need for replication

Question

Quizplus · Accepted Answer

The researcher should have considered the difference between manipulated and nonmanipulated variables. In this case, college attendance is a nonmanipulated variable, and there may be other factors influencing the interest in news events, such as pre-existing interest or socioeconomic status, which were not controlled for.

An Investigator Divides Participants into Those Who Went to College