external validity Flashcards
what are the two types of validity
internal and external
what is validity
when the study measures what it claims it claims
when does a study have external validity
when the results of the study generalise to other situations and people
what are the three types of external validity
ecological validity
temporal validity
population validity
when does a study have internal validity
when the study measures what it claims to measure, and there are no extraneous variables
what does ecological validity mean
when the results of the study generalise to how people behave in real life
what does temporal validity mean
when the results of a study generalise across time
in psychology what does population mean
the people whose behaviour we are trying to understand
what does population validity
when results to a study generalise to the rest of the population that the researcher wants to study
what is it called when results to a study don’t generalise to the rest of the population
lacks population validity
when is population validity high
population validity is higher when the sample includes multiple groups from the population