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Social Studies, 22.01.2020 07:31 damilysgonzalez2

Aresearcher would like to determine the effect of caffeine on memory. participants are randomly assigned to receive a caffeine pill or a sugar pill. both groups complete a recall task that assesses their memory. however, even those who received the sugar pill had a small increase in memory. this is likely due to: a. the experimental effectb. the correlational approach to the studyc. the placebo effectd. the participants becoming smarter

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