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Chapter 2

Chapter 2 notes from textbook

2 Pages
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Department
Psychology
Course Code
PSY100H1
Professor
Michael Inzlicht

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Psych Notes Ch. 2
RESEARCH METHODOLOGY
- Angelo Mosso began studying relationship b/w mind and brain by examining how mental
activity affects flow of blood to brain Æ assumed brain was responsible for thoughts, feelings,
emotions, then mental activity should affect how brain functions
- Methods of Psychological Science:
o Formulate hypothesis
o Design study t plan an experiment with a control group
o Collect data -
o Analyze data t use statistical tech. to assess whether results are genuine or chance
o Disseminate results t report on findings in research journal or conference
- Scientific inquiry: what happens, when it happens, what causes it to happen, why it happens
- Empirical questions: questions that can be answered by observing and measuring the world
around us
o Reflects a dynamic interaction b/w 3 essential elements:
Theory tidea/model of how smthing in the world works
Hypothesis t what should be observed if theory is correct
Research t systematic and careful collecting of data to examine or test
TYPES OF STUDIES IN PSYCHOLOGICAL RESEARCH
- Experimental, correlational, descriptive
o Operational definitions: [to define variables in precise ways] quantify the variables in
order to measure them
- Data collection methods of psych
o Observation, describe, tally
o Ask for info about thoughts, feelings, preferences w surveys, interviews, self-reports..etc
o Measure how quickly and accurately ppl respond to stimulus
o Measure electrical activity and blood flow in brain
o Use animal models in which genes, neurochemicals, brain structures are altered to study
effects on behavior
HOW ARE DATA ANALYZED AND EVALUATED?
- Validity: whether data addresses question; valid data provides clear and unambiguous info from
which to evaluate theory or hypothesis
- Reliability: stability n consistency of a measure over time; if reliable, data collected will not vary
becuz of changes over time in the measurement device
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Description
Psych Notes Ch. 2 RESEARCH METHODOLOGY - Angelo Mosso began studying relationship bw mind and brain by examining how mental activity affects flow of blood to brain assumed brain was responsible for thoughts, feelings, emotions, then mental activity should affect how brain functions - Methods of Psychological Science: o Formulate hypothesis o Design study J plan an experiment with a control group o Collect data - o Analyze data J use statistical tech. to assess whether results are genuine or chance o Disseminate results J report on findings in research journal or conference - Scientific inquiry: what happens, when it happens, what causes it to happen, why it happens - Empirical questions: questions that can be answered by observing and measuring the world around us o Reflects a dynamic interaction bw 3 essential elements: Theory Jideamodel of how smthing in the world works Hypothesis J what should be observed if theory is correct Research J systematic and car
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