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Intro to Tests

TermDefinition
Psychometrics the measurement of mental traits, abilities and processes
Psychometricians involved in test development in order to measure some construct/behavior that distinguishes people
Constructs ideas that help summarize a group of related phenomena/objects
Psychological tests include tests of abilities, interests, creativity, personality and intelligence
Standardization first establishes test norms from the test results of initial sample and then ensures that the test is administered and scored uniformly
Norms standard used to compare the scores of test takers
Reliable test we should obtain the same score no matter where, when or how many times we take it (if other variables remain the same)
Test-retest method the same exam is administered to the same group on two different occasions and the score compared (1. 0 correlation = reliable)
Split-half method the score on one half of the test question is correlated with the score on the other half of the questions to see if they are consistent
Alternate/Equivalent form method two different versions of a test on the same material are given to the same test takers and the scores are correlated
Interrater reliability the extent to which two or more scorer evaluate the responses in the same way
Validity the extent to which an instrument accurately measures or predicts what it is supposed to measure/predict
Face Validity a measure of the content is testing what you're supposed to be learning (according to test takers)
Content Validity a measure of the content is testing what you're supposed to be learning (according to expert judges)
Criterion related validity a measure to which a test's results correlate with other accepted measures of what is being tested
Predictive validity a measure to which the test accurately forecasts a specific future result
Construct validity the extent to which the test actually measures the hypothetical construct or behavior it is designed to assess
Created by: MusicGirl02
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