Researchers Conducted a Content Analysis in Which They Coded How

Multiple Choice

Researchers conducted a content analysis in which they coded how males and females are depicted in work settings on TV.They included programs with a story line and all commercials,but they excluded documentaries,news broadcasts,and sports shows.Which characteristic of the researchers' sample is likely to be most affected by these decisions?

A) reactivity
B) homogeneity
C) representativeness
D) internal validity