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Lecture 3

PSY 302 Lecture Notes - Lecture 3: Dependent And Independent Variables, Confounding, Habituation


Department
Psychology
Course Code
PSY 302
Professor
Lixia Yang
Lecture
3

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PSY302/W2014/YANG 1
PSY302: Child Development (Winter 2014)
Jan. 20, 2014, Week 2, Reading: Ch. 1-2
1. DEVELOPMENTAL RESEARCH METHODS
Outline
o Scientific Method
o Data Collection Methods
o Basic Designs in Developmental Psychology
o Methods for Studying Infants
The Scientific Method
o Identify a problem/question
o Formulate a hypothesis
o Gather data to test the hypothesis
Reliability
validity
o Dana analysis and conclusions
Basic Methods of Data Collection (Describing Behaviour)
o Self-report Methodologies
Interviews (structured vs. clinical)
Questionnaires
o Observation
Naturalistic (e.g., home, school)
Structured Observations (e.g., lab)
Example video: Structured Observation (Video)
General Research Design (Detect Relationships)
o Correlational: predict behaviour
o Experimental: explain behaviour
Correlational Design
o Relationship between two or more variables
Exist?
Direction
Strength
Three Types of Correlations
Experimental Design
o Three variables:
Independent variable: different treatment conditions
Dependent variable: what is measured
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