PSYC 226 Ch 6, 2.15.12

PSYC 226 Ch 6, 2.15.12 - Research Strategies and Validity...

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Research Strategies and Validity Research Strategies and Validity Research Methods Chapter 6
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Overview Overview Difference between qualitative and quantitative research Strategies and considerations for quantitative research Internal and external validity Threats to validity Research strategies, designs, and procedures
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Quantitative v. Qualitative Quantitative v. Qualitative Research Research Quantitative research Measuring variables to get numerical scores that can be analyzed and interpreted with statistical methods
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Quantitative v. Qualitative Quantitative v. Qualitative Research Research Qualitative research Making observations that are summarized in a narrative form
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Activity Activity Pretend you are a psychologist interested in learning about the mental health of youth in the juvenile justice system. How might you gather quantitative data on the youths’ mental health? How might you gather qualitative data on their mental health?
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Strategies for Quantitative Strategies for Quantitative Research Research Step 4 in the research process By this point, you would have already Chosen a research topic Decided how to define and measure your variables Selected your target population and determined how to treat them ethically and fairly Your research strategy is guided by Your research question The type of answer you are hoping for
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Strategies for Quantitative Strategies for Quantitative Research Research 5 types Descriptive Correlational Experimental Quasi-experimental Nonexperimental
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Descriptive Research Descriptive Research Goal: to get a description of selected characteristics of the target population Does not look at relationships between variables or why a relationship exists
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Descriptive Research Descriptive Research Prinz, Sanders, & Shapiro (2009)
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Correlational Research Correlational Research Goal: to describe a relationship
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PSYC 226 Ch 6, 2.15.12 - Research Strategies and Validity...

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