PSY-1200 Lecture Notes - Lecture 1: Statistical Inference, Operationalization
Limits of intuition
Personal interviews tend to be overconfident of their “gut feelings” about job applicants
The variables of interest in psychological science
Think (cognition)
Feel (emotion)
Act (behavior)
The Scientific Attitude
Curiosity (passion for exploration)
skepticism (doubting and questioning)
humility (humbleness to accept when wrong)
The Scientific Approach: Search for laws
Basic assumption: cognition, emotion, and behaviors are governed by some lawful
orderMeasurement —> Description
Understanding —> Prediction
Application —> Control
Scientific method
Theory
Hypothesis/ Question
Operationalization
Design of Study
Gather data
Analysis of data
Interpretation of data
Implications for theory
Theory
An explanation that integrates principles, organizes and predicts behaviors
Hypothesis
(if…then…)
Testable prediction, often induced by a theory, to enable us to accept, reject or revise the theory
Research observations
How do we measure psychological constructs?
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