Mitchell, Mark L. Research design explained / Mark L. Mitchell, Janina M. Jolley. - 8th ed. - Australia ; Belmont, CA : Wadsworth Cengage Learning, c2013. - xxiii, 723 p. : ill. ; Col 24 cm. Includes references ISBN: 9781133049838 1133049834 Subjects--Topical Terms: Psychology--Research--Methodology.Psychology, Experimental--Research--Methodology. LC Class. No.: BF76.5 / .M57 2013