A large research sample is nice to have, however, it may not be necessary if the experimenter can choose a ______ sample and control for many of the ______ variables.
A) random / extraneous
B) extraneous / random
C) representative / nuisance
D) homogeneous / confounding

Question

Quizplus · Accepted Answer

A random sample helps to reduce bias and increase generalizability, while controlling for extraneous variables helps to ensure that any observed effects are due to the manipulated independent variable, rather than other factors.

A Large Research Sample Is Nice to Have, However, It