PSYC 3090 Chapter 3: PSYC3090 Chapter 3
3 Mar 2016
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Document Summary
Theoretically possible to divide any of the values of the scale. Continuous scales having a wide range of possible values. The collective influence of all of the factors on a test score beyond those. Involve classification or categorization based on one or more distinguishing characteristics; all things measured must be placed into mutually exclusive and exhaustive categories. E. g. apples and oranges, dsm-iv diagnoses, etc. Involve classifications, like nominal scales but also allow rank ordering. Each unit on the scale is exactly equal to any other unit on the scale. E. g. iq scores and most other psychological measures. Interval scales with a true zero point. Most psychological measures are truly ordinal but are treated as interval measures for statistical purposes. A set of test scores arrayed for recording or study. A straightforward, unmodified accounting of performance that is usually. All scores are listed alongside the number of times each score occurred. Frequency distributions may be in tabular form.
