Selecting Statistics  



Statistical Test

Spearman's rho

Statistical Measure

When N is 10 or larger, refer the critical value of r to a table of the t distribution; for N less than 10 refer r to a table of critical values of r.

Notes

This is a biased estimator.

Spearman's rho: Siegel, S. Nonparametric Methods for the Behavioral Sciences. New York: McGraw-Hill, 1956. p. 202

Critical ratio: Siegel, S. Nonparametric Methods for the Behavioral Sciences. New York: McGraw-Hill, 1956. p. 212

Table of critical values of rho: Siegel, S. Nonparametric Methods for the Behavioral Sciences. New York: McGraw-Hill, 1956. p. 284

SPSS: NONPAR CORR

SAS: FREQ