Introductory Statistics for the Behavioral SciencesRobert B. Ewen · First published 1982 · Latest edition 2014Open the Tome
Study Guide to Accompany Introductory Statistics for the Behavioral SciencesRobert B. Ewen · First published 1991Open the Tome
Doubles for takeout, penalties, and profit in contract bridgeRobert B. Ewen · First published 1973Open the Tome
Introductory statistics for the behavioral sciencesJoan Welkowitz, Barry H. Cohen, Robert B. Ewen · First published 1971Open the Tome
