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Validity
Accuracy
Reliable
Consistent
Test-Retest
A reliability check method where the same test/study is repeated and we look for the same results
Alternate Forms
A reliability check where the measurement method is changed to see if results stay the same
Inter-Rater
A reliability check where the scorer is changed to see if the results stay the same
Split-Half
A reliability check where we check the result of two halves of the same test against each other
Construct Validity
Does the test/study measure what it’s supposed to?
Predictive Validity
Does the test/study accurately predict future behaviors?
Ecological Validity
Does the test/study logically represent real world circumstances?
External Validity
Can the results be accurately applied to people outside the study?