List the 3 common types of reliability
1) internal consistency
2) test retest reliability
3) inter rater reliability
define internal consistency reliability
assesses the consistency of results across
items within a test
define test retest reliability
assesses the degree to which test scores are
consistent from one test administration to the next
define inter rater reliability
measures the degree of agreement among raters
what is the most commonly used statistics for internal consistency?
cronbach’s alpha