Dr.Schultze conducts research on the effects of a new drug on obsessive-compulsive disorder.In his study,neither Schultze nor the participants knows who is receiving the active drug and who is receiving the placebo.This example describes

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This example describes a double-blind study, where both the researcher and the participants are unaware of who is receiving the active drug and who is receiving the placebo. This is commonly used in clinical trials to minimize bias and ensure more accurate results. Random sampling refers to the selection of participants for the study, single-blind study involves only the researcher being unaware of participant group assignments, control factor refers to a variable that is controlled in the study, and social desirability bias refers to the tendency of participants to respond in a socially desirable way.

DrSchultze Conducts Research on the Effects of a New Drug