Feb 6 - Identifying Good Measurement Flashcards
what is construct validity in frequency claims?
how well has the variable been measured?
what is construct validity in association claims?
how well have BOTH the variables been measured?
what is construct validity in causal claims?
how well the variables have BOTH been measured and MANIPULATED
can you have internal validity for frequency claims?
no
can you have internal validity for association claims?
noc
can you have internal validity for causal claims?
yes, how was the experiment ran, does it meet the criteria of the claim, is there random assignment
what is external validity in all the types of claims?
how well can we generalize the findings
what is statistical validity in frequency claims?
confidence interval of the estimate?
what is statistical validity in causal claims?
extent of difference between groups, confidence internal, effect size.
in construct validity what are the 2 types of validity?
face and content
what is an example of face validity?
if you want to measure physical fitness maybe push ups or sit ups
what is content validity?
the extent to which a measure represents ALL facets of a given contruct ex. drivers test should include road signs and how to operate a vehicle.
what are the three types of empirical assessments in construct validity?
criterion, convergent, discriminant
what is criterion validity?
the extent to which the measure relates to concrete behavioural outcomes that it is expected to relate to, according to the theory.
ex. does the bdi allow us to detect depression in our patients
what is the known groups paradigm in criterion validity?
if we know the outcome of one groupe we can compare it to another group to see if there are discriminate
