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Define validity
the extent in which a test or measurement tool accurately measures what it is intended to measure
What are the types of validity
Internal validity - did manipulation of IV cause the change in DV or something else?
External validity - generalizability of findings beyond the study
What is ecological validity
if the results can be applied to more than one setting
What is mundane realism
how closely the experimental tasks mirrors everyday activities
What is population validity
can the results be applied to the wider population
What is temporal validity
whether finding remains applicable across different time periods
What is face validity
how much a test measures what it is supposed to
How to improve validity
Random allocation
Standardized procedures
Counterbalancing - participant does each condition