PSY 200 Lecture 2: PSY 200 Lecture 2 Notes
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Psychology-the scientific study of behavior and mental processes: systematic search for truth . P < 0. 05 p=probability of it being replicated and 95% confidence intervals. Natural experiment- where it is self selected and observer: observer looks at chimpanzees, no manipulation. Hypothesis talks about measurements between 2 things (things=variables) Independent variable-try to restrict range by manipulation: in natural experiment we observe and keep track of the cause . Something that is observable and measurable (physically measurable: how intelligent you are = sat scores. Which of the following is an operational definition of learning: an increase is the rate of correct response. Representative sampling-get a portion of a particular group. Study designs single participant or single group studies ( case studies ) comparison group studies: split into experimental group and control group. Use random assignment for experimental group and control group. Why was a placebo being used: to create the potential for a double blind study.
