PRAXIS 5403 SCHOOL PSYCHOLOGY STUDY GUIDE
Reliability - Answers - The accuracy or precision of a measurement procedure.
Confidence Interval - Answers - The interval of which you are confident that an
individual's true score lies between
Validity - Answers - The extent to which a test or procedure measures what it is
intended to measure
Content Validity - Answers - The extent to which the content of a test represents the
domain that is intended to be measured
Criterion related validity - Answers - The extent to which a test can predict performance
on a relevant criterion, The extent to which a measure is related to an outcome
Concurrent validity - Answers - Performance on the criterion and the test are gathered
at the same time.
Predictive criterion related validity - Answers - The extent to which a measure forecasts
future performance. Performance on the test is gathered and then later, performance on
the criterion is gathered.
Construct validity - Answers - How well does this test represent the construct of
interest?
Convergent validity - Answers - How well a test agrees with other previously validated
tests that measure the same construct
Divergent Validity - Answers - The extent to which a test measures what it is supposed
to and not a theoretically unrelated construct. The extent to which a test does not
measure something unrelated
Internal validity - Answers - The extent to which you can be confident that a cause-and-
effect relationship established in a study cannot be explained by other factors. The
extent to which the study demonstrates an effect and eliminates the possibility that
factors other than the IV produced the behavior change
Instrumentation bias - Answers - Threat to internal validity. Takes place when the
measuring instrument (e.g., a measuring device, a survey, interviews/participant
observation) that is used in a study changes over time. For example, changing
questions on a questionnaire.
