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Lecture 3

PSYC 1000 Lecture Notes - Lecture 3: Random Assignment


Department
Psychology
Course Code
PSYC 1000
Professor
Lisa Giguere
Lecture
3

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Lecture 3
Modules 2&3
How is psych research conducted?
Description
Correlation
Prediction
Experiments
Causation
Common Research Methods
1. Descriptive
Observation variables X and Y
2. Correlational
Is there an association between X and Y?
3. Experimental
Is X having a casual effect on Y?
Descriptive Methods
Case Study
Observing and gathering info to compile in-depth study of one individual
Overgeneralization from one example
Naturalistic Observation
Recording behavior in the environment without control/manipulation
Survey
Gathering information about many people’s thoughts and behavior through
self-report
Population and Sample
How to choose the people to participate in our study?
Random sample
Representative Sample
Random Sampling: how to get a sample of a pool of participants that represents the
population you are trying to learn about
Correlational Methods
Focus on the mere association of 2 events
Purpose: observe association between 2 variables (the extent to which they co-
occur)
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