PSY 11 Lecture Notes - Lecture 9: Demand Characteristics, Dependent And Independent Variables, Observer-Expectancy Effect
20 Sep 2016
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Experiment study: control and manipulate the environment, can show cause and effect. Only method that can show it: demand characteristics. The patch will reduce the number of cigarettes a heavy smoker will smoke . What is the independent variable: the patch. What is the dependent variable: number of cigarettes smoked by the end. Those who get the real drug/therapy: control group. Participants who get nothing or placebo: placebo. Allows the researcher to control for what is normally out there. A person will feel better or improve because they believe they are. Double blind design getting treatment: neither the researcher nor the participant know the hypothesis, use data coding to distribute the independent variable, purpose: Add up your test scores then divide by the number of tests: b. Middle of the spectrum: c. mode. 3 people got 88: 94% is the mode, d. statistical significance. The experimental group was very different from the control group.
