Practice Quiz

CLEP Intro Edu Psych

Category - Research Design and Analysis

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Dr. Ripley is testing a new drug to treat depression. She predicts “Drug X will improve depressive symptoms in adults who take it for 12 weeks.” What is Dr. Ripley’s prediction called?
  1. Null hypothesis
  2. Random selection
  3. Population hypothesis
  4. Research hypothesis
Explanation
Answer: D - The research hypothesis is a prediction of the outcome based on the researcher’s theory. In this example, Dr. Ripley predicts, based on her research and knowledge of the drug X, that it will improve depressive symptoms after 12 weeks. Once a study has been completed, Dr. Ripley will know whether or not her prediction is correct.
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