validity definitions

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Last updated 4:13 PM on 6/21/26
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7 Terms

1
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what is the definition of validity?

the accuracy of a measure (are you testing what you claim to be testing?)

2
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definition of external validity

how applicable the findings are to the real world

3
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what are factors that affect the external validity?

  • ecological validity - changing environment

  • population validity - changing population

  • temporal validity - changing over time

4
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definition of internal validity

how well a study is conducted (were the results caused by the IV and not other variables)

5
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what factors can lower internal validity?

  • researcher effect

  • researcher bias

  • predictive validity

  • content validity

  • construct validity

  • face validity

  • concurrent validity

6
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define researcher effect

what the researcher does that may affect the performance of p

7
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define researcher bias

where expectations from researcher encourage certain behaviours in p