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Research and Stats

TermDefinition
Validity Measuring what it's supposed to measure
Predictive/criterion validity Accuracy with which a test predicts future performance on a related task
Concurrent validity Degree to which a new test correlates with an established test of known validity
Construct validity Degree to which test scores are consistent with theoretical constructs or concepts
Content validity If the test actually measures what it intends to measure
Reliability Consistency with which the same event is measured repeatedly
Test-retest reliability Consistency of measures when the same test is administered to the same people twice
Alternate-form/parallel form reliability Consistency of the measures when two parallel forms of the same tests are administered to the same people
Split-half reliability Responses of the first half are correlated with the responses on the second half
Interobserver/interjudge reliability The extent that two or more observers agree in measuring and event
Intraobserver/intrajudge reliability The extent to which the same observe repeatedly measures the same event consistently
Classification variable Independent variable
Criterion variable Dependent variable
Internal validity Degree to which the data in a study represents a true cause-effect relationship
External validity Refers to generalizability
Hawthorne effect The extent to which the study's results are affect by the participants knowledge of taking part in an experiment
Created by: mseaba
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