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Ch. 1 Thinking Critically

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Ch. 1 Thinking Critically Some coming attractions: What makes Psychology a science? What is a theory? How can we study people? How do we know if two things are related? – PowerPoint PPT presentation

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Title: Ch. 1 Thinking Critically


1
Ch. 1 Thinking Critically
2
Some coming attractions
  • What makes Psychology a science?
  • What is a theory?
  • How can we study people?
  • How do we know if two things are related?
  • During research, what is it that we are testing?
  • What are some problems with research?
  • How can we test the results of research?

3
What makes Psychology a science?
  • The scientific method

4
What is a theory?
  • What is the relationship between theory and
    research?

5
During a research, what is it that we are testing?
  • Our hypothesis

6
What research methods can we use to study people?
  • Survey
  • Case study
  • Experiment
  • Naturalistic observation

7
How do we know if two things are related?
  • Correlation

8
What is the difference between types of
correlation?
  • Positive correlation
  • Negative correlation
  • Zero correlation
  • Spurious correlation
  • Illusory correlation

9
What are some problems we need to be aware of
with research?
  • Placebo effect
  • Hindsigtht bias

10
How can we reduce the effect of the placebo
effect?
  • Double blind research design.

11
How can we test the results of a research study?
  • Replication

12
  • How do I know the small group I study represents
    the larger group I want to say something about?
  • Random sampling

13
How do I know my two groups are equal?
  • Random assignment
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