Which of the following statements about random assignment is NOT true:

Question

Quizplus · Accepted Answer

Random assignment is important for ensuring internal validity, not external validity. External validity refers to the extent to which the findings of a study can be generalized to other populations or settings. Random assignment helps ensure that the groups being compared are similar to each other on all relevant variables, except for the manipulation being studied, which is important for inferring cause and effect. Random assignment also helps control for individual differences between participants, but it does not necessarily ensure that each group contains the same type of participants.

Which of the Following Statements About Random Assignment Is NOT