Chapter 2 Research Process Part 1: Jan. 24, 2012
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 Self-reports:
Sampling issues with surveys: How to use random sampling – What is a benefit of random sampling? 2. How to use random assignment into groups - What is a benefit of random assignment?
Experiment Examples From book, Greitemeyer (2009) “song lyrics and helping” Manipulation? Results? (not in book), Schneider et al (2001) “harassment and heart rate”