Joan Welkowitz

Introductory Statistics for th

Introductory Statistics for the Behavioral Sciences 6E with SPSS Student Version 18. 0 Set

2009

Introductory Statistics for th

Introductory Statistics for the Behavioral Sciences, Sixth Edition with SPSS 15. 0 Set

2008

Study Guide to Accompany Intro

Study Guide to Accompany Introductory Statistics

1999

Answer key for the Study guide to accompany Introductory statistics for the behavioral sciences by Joan Welkowitz, Robert B. Ewen, and Jacob Cohen

1998

Introductory statistics for the behavioral sciences

1965