Chapter 2 Research Process Part 1: Aug 29, 2011. Research Methods Importance of scientific method Research Process – develop ideas, refine ideas, test.

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Presentation transcript:

Chapter 2 Research Process Part 1: Aug 29, 2011

Research Methods Importance of scientific method Research Process – develop ideas, refine ideas, test them, interpret results – 1. Development of ideas – steps? – Hypotheses and theories – what are these? – Basic v. Applied research –

Research Process 2. Refining ideas – Develop an operational definition: What is construct validity? – Measuring variables – choose method: Self-reports: – Bogus pipeline to reduce problems…what is it? Observations: – Interrater reliability: Technology:

Research Process 3. Test ideas: – Descriptive research – examples of each? Archival data Surveys – Sampling issues with surveys: » How to use random sampling – » How to use random assignment into groups -

Independent variables: what is manipulated – Examples? Dependent variables: observed to determine impact of IV – Examples? Subject variables:

The Correlational Method: determines if two variables are related – Positive, negative, or no correlation? Cannot make cause-effect conclusions. – Often a third variable can explain relations between 2 variables under study – Example? Need experiments to determine cause-effect