For an experiment to be considered a "true" experiment, which of the following is necessary?
A)random assignment
B)use of confederates
C)mental measure-dependent variables
D)manipulation checks

Question

Quizplus · Accepted Answer

Random assignment is necessary for an experiment to be considered a "true" experiment because it ensures that each participant has an equal chance of being assigned to any group, thereby reducing selection bias and increasing the internal validity of the experiment.

For an Experiment to Be Considered a "True" Experiment, Which