scavalieri8550 scavalieri8550

22-09-2018
Biology

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Experiments sometimes include measuring the variable/concept twice. this technique is known as a _____. sample and population primary test and secondary test pretest and posttest control and experiment

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BioWizard BioWizard

02-10-2018

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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