psyc 408 ch.4 Word Scramble
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| Question | Answer |
| Assumptions of Psychological testing and assessment. Assumption 1 | psychological traits and states exist. |
| trait | any distinguishable way in which one individual varies from another. relate to intelligence, adjustment, attitudes. |
| construct | an informed, scientific concept developed to describe behavior. |
| overt behavior | an observable action including test or assessment related responses |
| assumption 2 | psychological traits and states can be quantified and measured |
| assumption 3 | test related behavior predicts non test related behavior |
| assumption 4 | tests and other measurement techniques have strengths and weaknesses |
| assumption 5 | various sources of error are part of the assessment process |
| error variance | the component of a test score attributable to sources other than trait being measured |
| CTT | assumption that each test taker has a true score |
| assumption 6 | testing and assessment can be conducted in a fair and unbiased manner |
| assumption 7 | testing and assessment benefit society tw |
| two key aspects of a good test | reliability and validity |
| normative sample | group of people whose performance on a particular test is analyzed for reference in evaluating the performance of test takers. |
| sample | a portion of a population |
| stratified sampling | including all races in a sample, helps prevent bias and aids in interpretation of findings. |
| stratified random sampling | if every member of the population had the same chance of being included in the sample. |
| percentile | an expression of the percentage of people whose score on a test falls below a particular raw |
| age norms | average age at which particular performances are expected to appear. |
| grade norms | the average grade at which particular performances are expected to appear. |
| national norms | range of test scores that represents the average or usual performance in a nationwide sample rather than in a local one. |
| national anchor norms | used to consider two tests that were normed by using the same sample |
| subgroup norms | created when narrowly defined groups are samlped. |
| local norms | derived from local population's performance on a measure. |
| norm-referenced | consider the individual's score relative to the scores of test-takers in the normative sample |
| criterion referenced | consider the individual's score relative to a specified criterion |
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