Mateo Has Designed a Survey Study in Which He Asks

Multiple Choice

Mateo has designed a survey study in which he asks about respondents' marital quality.He administers the survey to several different samples over the course of two years and discovers that the respondents do not seem to be answering the marital quality question in very consistent ways.This suggests Mateo's measure of marital quality has a ________ problem.

A) ratio
B) reliability
C) validity
D) time span