A practical guide to behavioral research :
Sommer, Robert.
A practical guide to behavioral research : tools and techniques / by Robert Sommer. - 5th ed. - New York : OUP, c2002. - xix, 380 p.
Includes index.
0195104196
Psychology --Methodology.
Psychology --Research.
Social Sciences -- Methodology.
Social sciences --Research.
A practical guide to behavioral research : tools and techniques / by Robert Sommer. - 5th ed. - New York : OUP, c2002. - xix, 380 p.
Includes index.
0195104196
Psychology --Methodology.
Psychology --Research.
Social Sciences -- Methodology.
Social sciences --Research.