1. © Richard Goldman October 2, 2006
Module 3 Research in Psychology Chapter 1, Pages Essentials of Understanding Psychology- Sixth Edition PSY110 Psychology
© Richard Goldman
October 2, 2006

2. Scientific Method Identify Question Form Explanation (hypothesis)
Test Hypothesis
Operational Hypothesis
Research Method
Collect Date / Conduct Test
Analyze Data
Repeat / Verify

3. Some Other Types of Research
Archival Research - Examine existing records
Naturalistic Observation – Observe without intervention
Survey – Often use a sample population
Case Study – Testimonials

4. Correlation Correlation is NOT causation Range: +1 to -1
+ correlation coefficient – as one variable increase so does the other
- correlation coefficient – as one variable increase the other decreases

5. Experimental Manipulation
Make changes to the independent variable in the experimental group
Observe changes in the dependent variable
Use control group with no changes or use placebo

6. Significant Outcome? Trivial difference in results
What caused the difference
Group (sample) size
Placebo effect
Bias
Quality Control