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Chapter 2

Chapter 2 - Research Methodology

2 Pages
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Department
Psychology
Course Code
PSY100H1
Professor
Michael Inzlicht

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Research Methodology
What is Scientific Inquiry?
Scientific method
What happens, when it happens, what causes it to happen, and why it happens
Description, prediction, causal control, explanation
Scientific Questions Can Be Objectively Answered
Scientific questions are those which can be tested and shown to be true or false
The same answer should be obtained by any experimenter through replication
The Empirical Process Depends on Theories, Hypotheses, and Research
Theory idea or model of how something in the world works
Hypothesis specific prediction of what should be observed if the theory is correct
Research careful collection of data or objective information to test the hypothesis,
which may alter the theory
Good research is a dynamic, cyclical interaction of these three
Theories should generate hypotheses
Some results are found unexpectedly serendipity
What Are the Types of Studies in Psychological Research?
Experimental, correlational, descriptive
Variables are things in the world which can be measured or manipulated and can
vary
Operational definitions need to define variables in precise ways that reflect the
methods use to assess them, use operational definitions to quantify variables
An Experiment Involves Manipulating Conditions
Experiment a study wherein variables are measured and manipulated
One variable is manipulated to see how it affects a second variable
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Description
Research Methodology What is Scientific Inquiry? Scientific method What happens, when it happens, what causes it to happen, and why it happens Description, prediction, causal control, explanation Scientific Questions Can Be Objectively Answered Scientific questions are those which can be tested and shown to be true or false The same answer should be obtained by any experimenter through replication The Empirical Process Depends on Theories, Hypotheses, and Research Theory idea or model of how something in the world works Hypothesis specific prediction of what should be observed if the theory is correct Research careful collection of data or objective information to test the hypothesis, which may alter the theory
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