Research Design and Data Analysis

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10 Terms

1
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Psych research aims to

describe, explain and predict

2
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two approaches are

inductive (generate new theories) and deductive (test existing theories)

3
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operationalisation

turning abstract concepts into concrete variables we can measure/manipulate

4
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categorical/nominal variables

type/kind of thing, gender, religion

5
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ordinal

categorical variables with meaningful order - customer satisfaction

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continuous variables

can take on any value within a range - height, anxiety level, age

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internal variable

equal intervals between values, no true 0 - temperature

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ratio variable

equal intervals, true 0 - age, height, weight

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nuisance variables

nuisance affect DV

affect DV

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confounding variables

affect IV and DV