When sitting in statistics classes or when trying to read and understand statistical material, too many otherwise intelligent and capable students and researchers feel dumb. This book is intended as an antidote. It is designed to make you feel smart and competent. Its approach is conservative in that it attempts to identify and present the essentials of data analysis as developed by statisticians over the last two or three centuries. But the selection and organization of topics and the manner in which they are presented result from a radical rethinking of how basic statistics should be taught to students whose primary concern lies with behavioral science research or.