What is a theory

?
  • Created by: The Shrew
  • Created on: 16-01-16 19:14
What is a theory
ideas that have been proposed about behaviour and mental phenomena, organise and explain data from observations, general principles that outline particular phenomena
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Must
Stand up to empirical investigation, clearly define variables, inform about relationship between variables, explain causes of events, have predictive utility, be falsifiable
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Hypothesis
Way of testing theory- state what will be seen in experiment
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Must
be testable, have operational definitions
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Sequence
Books-> Theoretic journals, review papers, meta analyses-> scientific experiments
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Expand population tested e.g.
Mackillop et al + Fernie et al- impulsive decision making not effected by student drinking- test older pop?
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New methodology e.g.
Field and Cox- smokers have attentional bias to alcohol stimulus using RT- could use eye tracker
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Qualitative data
Richness/ discourse analysis/ thematic analysis
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Quantitative data
numerical/ descriptive and inferential stats/ differences, correlation and probability
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Correlational data
relationship between 2 variables/ no control/ can't infer causation
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Experimental
True experiment- manipulate IV and observe effect/ Quasi experiment- no full control over IV- naturally occurring groups
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Single case experiment
Repeating observations of performance or behaviour/ baseline- intervention- difference
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Card 2

Front

Must

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Stand up to empirical investigation, clearly define variables, inform about relationship between variables, explain causes of events, have predictive utility, be falsifiable

Card 3

Front

Hypothesis

Back

Preview of the front of card 3

Card 4

Front

Must

Back

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Card 5

Front

Sequence

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