If you cannot give your participants a pre-test before assigning them to conditions
A) It is impossible to randomly assign them to conditions
B) Your experiment will not be reliable
C) You cannot assign them to conditions using matching
D) Your experiment will not be valid

Question

Quizplus · Accepted Answer

Matching involves pairing participants based on pre-test scores or other relevant characteristics before assigning them to conditions. Without a pre-test or equivalent data, matching cannot be used. Random assignment and the overall validity or reliability of the experiment can still be maintained through other means.

If You Cannot Give Your Participants a Pre-Test Before Assigning