Each source of data -- including written self-reports, interviews, direct behavioral observation and examining available records -- is vulnerable to measurement error.

Question

Quizplus · Accepted Answer

Each source of data can be influenced by various factors such as the participant's bias, memory distortion, observer bias, or incomplete records, which can lead to measurement error. Therefore, all sources of data are vulnerable to measurement error.

Each Source of Data -- Including Written Self-Reports, Interviews, Direct