This field-leading introduction to statistics for the behavioral and social sciences text continues to offer straightforward instruction, accuracy, built-in learning aids and real-world examples. The goals of STATISTICS FOR THE BEHAVIORAL SCIENCES, 9th Edition are to teach the methods of statistics and convey the basic principles of objectivity and logic that are essential for science- and valuable in everyday life. Authors Frederick Gravetter and Larry Wallnau help students understand statistical procedures through a conceptual context that explains why the procedures were developed and when they should be used. Students have numerous opportunities to practice statistical techniques through learning checks, examples, step-by-step demonstrations and problems. Aplia&trade, an assignable, gradeable online homework solution, joins an already-robust set of available book resources that includes PowerLecture&trade, WebTutor & amptrade, an Instructor's Manual/TestBank and more.