Unlike many other statistics texts, this one is comprehensive and flexible enough for either a single or a two-semester course. Instructors can select only the topics that are most appropriate for their course.

Its intuitive approach helps students more easily understand the concepts and interpret software results. Throughout the text, the author demonstrates how many statistical concepts relate to one another. Only the most crucial equations are included.

The new edition features:

SPSS sections throughout with input, output, and APA style write-ups using the book's dataset
A CD with every example and problem dataset used in the text in SPSS format;
More information on confidence intervals, effect size measures, power, and regression models
A revised sequence of the regression and ANOVA chapters for enhanced conceptual flow
De-emphasized computations to provide more discussion of concepts and software
More end of chapter problems with more realistic data and a greater emphasis on interpretation
Many more references
An Instructor's Resource CD with all of the solutions to the problems and other teaching aids.

The first five chapters cover basic descriptive statistics including ways of representing data graphically, statistical measures, the normal distribution and other standard scores, and probability and sampling.

The remainder of the text covers inferential statistics involving means, proportions, variances, and correlations, basic and advanced analysis of variance (ANOVA) and regression models. It contains a number of topics not dealt with in other texts such as robust methods, multiple comparison and nonparametric procedures, and advanced ANOVA and multiple regression models.

Realistic examples from education and the behavioral sciences illustrate the concepts. Each example includes an examination of the various procedures and necessary assumptions, tips on developing an APA style write-up, and sample SPSS output. Useful tables of assumptions and the effects of their violation are included, along with how to test assumptions in SPSS. Each chapter concludes with conceptual and computational problems, about a third of which are new to this edition. Answers to the odd-numbered problems are provided.

Intended for a one- or a two-semester course in introductory statistics taught in education and/or behavioral science departments. Although used predominantly at the master's or doctoral level, the book is also used at the undergraduate level. Only a rudimentary knowledge of algebra is required.

�ber die Autorin bzw. den Autor

Richard Lomax, Ph.D., is a Professor in the College of Education at The Ohio State University. He received his Ph.D. in Educational Research Methodology from the University of Pittsburgh.

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