Question: To help assess student learning in her developmental science courses, a science professor at a university implemented pre- and post-tests for her developmental science

To help assess student learning in her developmental science courses, a science

To help assess student learning in her developmental science courses, a science professor at a university implemented pre- and post-tests for her developmental science students. A knowledge-gained score was obtained by taking the difference of the two test scores. What type of experimental design is this? Randomized block design Case-control Completely randomized design Matched pair What is the response variable in this experiment? O The score on the posttest O Difference in test scores The score on the pretest O Total in test scores

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