A researcher believes that presenting possible suspects in a lineup one at a time instead of in a group would lead to more accurate identification of the true suspect.This belief represents a(n):
A) hypothesis
B) independent variable
C) response performance
D) theory

Question

Quizplus · Accepted Answer

The researcher's belief represents a hypothesis, which is a testable prediction about a relationship between variables. It is not an independent variable, which is the variable that is manipulated in an experiment to test its effect on the dependent variable. Response performance refers to how participants perform on a task or measure, and theory is a broader explanation of a phenomenon based on multiple hypotheses and evidence.

A Researcher Believes That Presenting Possible Suspects in a Lineup