Description
David Howell's practical approach focuses on the context of statistics in behavioral research, with an emphasis on looking before leaping; investigating the data before jumping into a test. This provides you with an understanding of the logic behind the statistics: why and how certain methods are used rather than just doing techniques by rote. Learn faster and understand more because Howell's texts moves you beyond number crunching, allowing you to discover the meaning of statistical results and how they relate to the research questions being asked.
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Howell (U. of Vermont emeritus) updates his text with new research and dozens of case studies, all of which he integrates seamlessly into exercises and narratives. He gives basic terminology and concepts such as scales of measurement and variables, then launches into a range of methods displaying data, measures of central tendency and variability, normal distribution, basic concepts of probability, sampling distributions and hypothesis testing, correlation, regression, multiple regression, power, the various analyses of variance, the chi-square, nonparametric and distribution-free statistical tests, and a very handy set of instructions on choosing the appropriate analysis. Although his approach is fully accessible, Howell thoughtfully provides an appendix on arithmetic for the nervous. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)
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