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Lecture 1

PSYC 2001 Lecture Notes - Lecture 1: Unobservable, Scientific Method, The SmellPremium

3 pages93 viewsFall 2018

Department
Psychology
Course Code
PSYC 2001
Professor
Deanna Whelan
Lecture
1

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Variables
Goals of Scientific Research
To describe behaviour
To predict behaviour
To determine the cause of behaviour
To understand or explain behaviour
Behaviour
Observable Behaviours
Smiling, frowning, hitting, time, responses to questions,
Unobservable psychological attributes
Hypothetical constructs (latent variables)
Attitudes, emotions, self-esteem, intelligence, etc.
Much of Psychology uses observable behaviours
(smiling) to understand unobservable constructs
(emotions/happiness)
Variables
What is a Variable?
Something that changes/differs
Has at least two options (or many more)
Researchers have options for
How we collect the information
How we measure/manipulate the variable
Variety of what can be a variable? (classification)
Situational
Response
Participant or subject attribute (gender)
Psychological construct
Methods of Collection Variable Information
Measurement or measuring…. just means how researchers collect the
information
Self-report – survey, interview,
Observational - direct or abstract
Bio-physiological
Response
Note: Measuring a variable is different from manipulating a variable (do
not confuse these terms)
3 Types of Claims
Three claims
Claim: argument someone is trying to make
Psychological scientists use data to test and refine theories and
claims
Three Claims:
Frequency
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