Cut and paste the following SPSS syntax to see what correlation coefficients you get. It should be no surprise. Look at all 3 coefficients, Pearson, Tau-b, and Spearman's Rho. You can change the data by different amounts to see what effect it has on the results.
data list list / id(f2) var1(f2) var2(f2). begin data 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8 8 9 9 9 10 10 10 11 11 11 12 12 12 13 13 13 14 14 14 15 15 15 end data. CORRELATIONS /VARIABLES=var1 var2 /PRINT=TWOTAIL NOSIG /MISSING=PAIRWISE . NONPAR CORR /VARIABLES=var1 var2 /PRINT=BOTH TWOTAIL NOSIG /MISSING=PAIRWISE . Hope this helps. Art [EMAIL PROTECTED] Social Research Consultants University Park, MD USA Miguel Lopez wrote: > Hi, > Is this significant to do a rank correlation test (spearman and kendall) on > two variables which have exactly the same ranking ? > > Miguel Lopez > . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
