Which of the following is NOT one of the requirements of the regression-discontinuity design.
A) group assignment must be based on a cutoff score
B) the cutoff score should be located at one of the extreme ends of the distribution
C) the experimenter must control the assignment of participants to groups
D) all participants must be from the same population

Question

Quizplus · Accepted Answer

The regression-discontinuity design does not require the cutoff score to be located at one of the extreme ends of the distribution; it only requires that group assignment is based on a cutoff score.

Which of the Following Is NOT One of the Requirements