Definitions of nonequivalent. adjective. not equal or interchangeable in value, quantity, or significance. Synonyms: unequal. poorly balanced or matched in quantity or value or measure.

Why is it called non equivalent?

It is structured like a pretest-posttest randomized experiment, but it lacks the key feature of the randomized designs – random assignment. ... Because it's often likely that the groups are not equivalent, this designed was named the nonequivalent groups design to remind us.

What is the meaning of its equivalent?

ənt/ C1. having the same amount, value, purpose, qualities, etc.: She's doing the equivalent job in the new company but for more money.