Feb2notes - Portia Mellott Psychology Notes February 2 2009...

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Portia Mellott Psychology Notes February 2, 2009 Paper due the 4 th !!!! Exam next Wednesday- all multiple choice II. What Research Methods Do Psychologists Use? B. Descriptive Methods -Describe relationships and events -Do not manipulate variables -Therefore, can NOT make inferences about cause and effect. -Five types 1. Case studies -Intensive study of one case 2. Naturalistic Observation -Observation of behavior in a naturally occurring situation 3. Surveys -Interviews and questionnaires -Sample must be representative 4. Correlational Studies -Establish relationships between two variables -Because the variables are not controlled, can NOT infer causation 5. Ex Post Facto Studies -Describe differences between groups of participants that differ naturally on a variable such as race or gender -Subject variable -Individual differences variable -Variable is NOT manipulated, so these are not experiments III. How Do Psychologists Evaluate Research Findings? A. Using statistics a. Statistics is a branch of mathematics that deals with classifying and analyzing data b. Psychologists use two types
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This note was uploaded on 04/08/2009 for the course PSY 201 taught by Professor Devree during the Spring '09 term at Hagerstown CC.

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Feb2notes - Portia Mellott Psychology Notes February 2 2009...

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