validity
accuracy
content validity
assesses all the important aspects of a phenomenon
concurrent validity
yields the same results as other measures of the same behavior/thoughts/feelings
predictive validity
good at predicting how a person will think, act, or feel
construct validity
test measures what it's supposed to measure
reliability
consistency
test-retest reliability
results of a test are consistent over time
alternate form reliability
two version of the same test produce similar results
internal validity
different parts of the same test produce similar results
interrater reliability
different interviewers interviewing the same people should produce similar results