Chapter 1, Week 2
Chapter 1, Week 2 PSY 110-001
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This 3 page Class Notes was uploaded by Zoeglen on Saturday August 29, 2015. The Class Notes belongs to PSY 110-001 at Illinois State University taught by Cathleen Campbell-Raufer in Summer 2015. Since its upload, it has received 22 views. For similar materials see Fundamentals of Psychology in Psychlogy at Illinois State University.
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Date Created: 08/29/15
Week 2 824 Correlation coefficient definition 0 Negative correlation H 0 Positive o 83 97 113 258 Which correlation coefficient represents the strongest relationship 0 97 Which research method CAN determine cause and effect Experimental Experiment A formal test The experimental method Independent variables are manipulated Dependent Variables are measured 0 Changes due to changes in independent Compares treatment group to control Example I believe watching violent TV causes aggression 0 Independent TV show 0 Dependent Amount of violence in show 0 Can identify cause and effect relationships but may be artificial and contrived Limitations of experiments 1 Selection bias from nonrandom assignments 0 Specific people men vs women show different results Must have random group of all people 0 Solution random assignment 2 Placebo effect what participant expects 0 Subjects beliefs about situation affects results 0 Solution Don t give them that power 3 Experimental bias Clever Hans o The expectations of experiment is effecting results 0 Horse solving math problems Hans could not solve if he couldn t see because he was only detecting ques reading between lines 0 Solution double blind both experimenter and receiver are kept in dark Quasi Experiments When random assignments are not possible Participant related bias Subjects are not representative of population Be aware of subject s race gender age SES and education level SES Social economic status What ca never be ethically used Coercion Subjects Rights 1 Board review 2 Informed consent Debriefing especially with deception No coercion Available results Different for animals legal and ethical Book five approaches to collecting date T9