Gretchen is conducting a research project and is interviewing respondents about their fertility history. On the first day her respondent says that she has had three children. However, the next day, the respondent reports that she has only two children. This is an example of a problem with:

Reliability

Explanation:

The term reliability in psychological research refers to the consistency of a research study or measuring test.

For example, if a person weighs themselves during the course of a day they would expect to see a similar reading. Scales which measured weight differently each time would be of little use.

answer; engram;