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Experimental ch 5
| Question | Answer |
|---|---|
| variables | aspect of testing conditions that can change or take on different characteristics with different conditions |
| IV | random |
| dv | measured |
| subject | quasi, gender |
| confounded | another subject covarrying |
| extraneous | factor we didnt think about |
| operational definition | statements of the precise meaning of procedures or concepts within an experiment; includes iv and dv |
| converging operations | using different operational definitions to arrive at the same meaning of a concept |
| iv | conditions manipulated by the experimenter |
| confound variable | another variable that varies systematically with the iv such that possible effects of this variable cannot be separated from the iv |
| dv | measure of behavior, outcome variable |
| frequency | # of times a behavior occurs |
| rate | # behaviors relative to time |
| duration | time the behavior lasts |
| latency | delay until onset of behavior |
| topography | style/quality of behavior |
| force | intensity of behavior |
| locus | location where behavior occurs |
| categorical variable | varies in kind |
| quantitative var | varies in amount |
| discrete | distinct categories or whole units |
| continuous | allow for meaningful partial/fractional units |
| apparent limits | the individual points on a scale of measurement |
| real limits | the real interval represented by that # |
| nominal | naming categorical variables |
| ordinal scale | ranking categorical variables |
| interval | measuring units |
| ratio | measuring units, including zero |
| error variance or random error | variability in the dv not associated with the iv |
| systematic error | error due to some consistent bias |
| reliability | degree to which a measurement gives the same result on different occasions |
| test retest reliability | test gives the same score on different occasions |
| internal consistency | different items on a test measure the same idea |
| measurement validity | degree to which a measurement tests what its supposed to test |
| construct validity | idea that a test measures the theocratical construct that its supposed to measure and not something else |
| face validity | test seems valid superficially |
| content validity | tests measures the full range of the construct |
| criterion validity | test correlates with other tests of same construct |
| concurrent validity | similar scores on different iq test at same time |
| predictive validity | depends on outcome |
Created by:
stophammertime1290
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