Amazon.com description: Product Description: Students are led step-by-step to a conceptual understanding of the statistics. Once they understand the overall picture of a distribution - its central tendency, variation, etc. - they should be less likely to make mistakes in their computations and their reasoning. It offers: many figures and diagrams to help students visualize statistical concepts and computations; experimental examples, relating to such topics as depression data, treatment-outcome research, and social psychology; and 24-45 detailed problems appear at the end of each chapter.