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lutik1710 [3]
3 years ago
9

Experiments sometimes include measuring the variable/concept twice. this technique is known as a _____. sample and population pr

imary test and secondary test pretest and posttest control and experiment
Biology
1 answer:
Ostrovityanka [42]3 years ago
7 0

The correct answer is pretest and posttest .

A pretest/posttest experiment is an experiment that includes double measurements at multiple points in time. In this kind of test, measurements (measurement of dependent variable) are taken both before and after a treatment.


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