Week Two Notes
Week Two Notes PSYCH 280
Popular in Psych Childhood and Adolescence
Popular in Psychlogy
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This 2 page Class Notes was uploaded by Sydney Shields on Friday September 4, 2015. The Class Notes belongs to PSYCH 280 at Kansas State University taught by Mark Barnett in Fall 2015. Since its upload, it has received 41 views. For similar materials see Psych Childhood and Adolescence in Psychlogy at Kansas State University.
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Date Created: 09/04/15
Research Methods Experimental Method Level of Childs Aggressive Behavior Generally looking for relationships between variables amp differences between variables Issues of conducting an experiment Assigning participants to condition QOUQIOIA AL 0N Random assignment ABCI 19d 93UQIOIA Al HH I Could use a method design Need to control extraneous variable Need to defineoperationalize and quantify variables Strengths of the experimental method Cause amp effect predictions Control extraneous variables Replicate amp extend Not easy to quantify variables Many variables complexabstract Need reliable amp valid measures Need to balance internal amp external validitv 9 is it correct in design Is it correct results Interpreting the results of our experiment Role of statistics Need to use standardized procedures Ethical issues Follow APA guidelines Universities have Institutional Review Boards IRB It is unethical to manipulate some variables Potential Solutions Animal studies QuasiExperiments 9 false experiment does not manipulate a variable Correlational Method No dependent or independent variable Looks at the association between the scores of variables 3 Strengths of Correlational Method 9 Can still study the results 9 It is more economical 9 It is less vulnerable to experimental bias Correlation does NOT imply causation because it does not manipulate a variable The Third Variable Problem Unidentified because they wee not manipulated Example number of telephone poles relating to number of crimes in a city Some data collection procedures Questionaires Tests Observations Need higher interrater reliability 9 R2 InterviewSelf report R1 Studying Individuals over Time Cross Sectional Study Strengths of the CrossSectional Study Problem in interpreting the results
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