
48 Nonparametric Statistics for Social and Behavioral Sciences
may be subjective; however, the numbers on the scale represent true points
or values with a true zero. Nonparametric statistics can be applied to data
collected on ratio scales; however, this will seldom be the case for research in
the behavioral and social sciences.
Chapter Summary
Nonparametric statistics is a broad category of statistics. Unlike parametric
statistics, nonparametric statistics make no assumptions about the proper-
ties of a distribution from which data are drawn. These procedures are more
suited for small sample sizes because larger samples are needed to meet the ...