Explaining Psychological Statistics

Praise for the previous edition of ExplainingPsychological Statistics

"I teach a master's level, one-semester statistics course, andit is a challenge to find a textbook that is at the right level.Barry Cohen's book is the best one I have found. . . . I like thefact that the chapters have different sections that allow theprofessor to decide how much depth of coverage to include inhis/her course. . . . This is a strong and improved edition of analready good book."

—Karen Caplovitz Barrett, PhD, Professor, and AssistantDepartment Head of Human Development and Family Studies, ColoradoState University

"The quality is uniformly good. . . . This is not the firststatistics text I have read but it is one of the best."

—Michael Dosch, PhD, MS, CRNA, Associate Professor andChair, Nurse Anesthesia, University of Detroit Mercy

A clear and accessible statistics text— now fully updatedand revised

Now with a new chapter showing students how to apply the righttest in the right way to yield the most accurate and true result,Explaining Psychological Statistics, Fourth Edition offers studentsan engaging introduction to the field. Presenting the material in alogically flowing, non-intimidating way, this comprehensive textcovers both introductory and advanced topics in statistics, fromthe basic concepts (and limitations) of null hypothesis testing tomixed-design ANOVA and multiple regression.

The Fourth Edition covers:

• Basic statistical procedures
• Frequency tables, graphs, and distributions
• Measures of central tendency and variability
• One- and two-sample hypothesis tests
• Hypothesis testing
• Interval estimation and the t distribution