PSYC 201W Study Guide - Final Guide: Level Of Measurement, Face Validity, Factor Analysis
4 Apr 2018
School
Department
Course
Professor
Document Summary
Non-quantitative scale that groups elements together by type. Cannot rank order of the different elements in a category. Allows you to rate variables from highest to lowest but does not say anything about how much higher one is than another. Like an interval scale except that it has an absolute zero point. Can say twice as tall or twice as heavy. A type of reliability that measures the consistency of a person"s scores over time. The longer the time between tests, the lower the reliability. Consistency of scores obtained on two equivalent forms of the same test. Consistency with which items on a test measure a single construct. The most frequently used index of internal consistency. (0. 70 or higher) The degree of consistency or agreement between two or more scorers, judges, observers, or raters. The percentage of time that different observers" ratings are in agreement. The extent to which your measurement procedure is measuring what you think it is measuring.
