CRC Study Guide Exam Questions and Answers 100% Verified

CRC Study Guide Exam Questions and Answers 100% Verified How well a test measures what it claims to measure is? - answerValidity What measurement concept relates to consistency, dependability and repeatability of a test? - answerReliability What scale has equal units of measurement with no absolute zero? - answerInterval Example: Fahrenheit Scale List the 4 levels of measurement? - answerNominal, Ordinal, Interval and Ratio Most psychological test are based on what 2 scales? - answerOrdinal and Interval Threats to external validity? - answerreactive or interaction effect of test, interaction effects of selection bias and experimental variables, reactive effect of experimental arrangements, multiple-treatment interference. What type of curve would you expect to see if a classroom test was given and the majority of students tended to get nearly all the items right? - answerNegatively Skewed The most widely used statistic in testing variability is? - answerStandard Deviation The extent to which a test measure what it purports to measure is? - answerValidity What is internal validity? - answerthe basic minimum without any experiment is uninterpretable. A multiple choice quiz is what type of test? (criterion or norm) - answerCriterion-referenced test What is external validity? - answerrefers to whether the results can be generalized. Threats to internal validity? - answerHistory, maturation, testing, instrumentation, statistical regression, selection bias, experimental bias, mortality, selection-maturation interaction No correlation/No difference between variables? - answerNull Hypothesis What is content validity? - answerHow well a test item measures a skill (math ability). This error occurs when there is no difference detected, but a difference actually exists. - answerType II The higher the reliability of a test? - answerThe lower its standard error of measurement will be The lower the reliability of a test? - answerThe higher it standard error of measurement will be Association between variables? - answerCorrelation Factors influencing reliability of instrument? - answerLevel of Difficulty Ambiguity of test items Length of test What is concurrent validity? - answerBoth the predictor and criterion scores are obtained at the same time (MMPI acessing pathology). Value of an assessment is determined by? - answerReliability Validity Standardization List 1, 2, 3 std of the mean on a normal distribution (bell curve) - answer1- 68% 2- 95% 3- 99.7% What is face validity? - answerThe extent to which an instrument measures what its intended to/ The term reliability refers to ______ of test scored? - answerconsistency Provides very little valuable testing information. (mean, median or mode) - answerMode Example of a ordinal scale? - answer(order and rank) - 1st, 2nd, 3rd Example of a nominal scale? - answer(numbers as labels only, no meaning) - females- 1 / males- 2 Example of ratio scale? - answerHeight and weight / has a zero point What is construct validity? - answerDegree to which the measure or test reflects what its intended to.