Human Intelligence is the most comprehensive, current, and readable textbook available today. Written by leading experts in the field, the text includes IQ-test-based, biological, cognitive, cultural, and systems-based perspectives. It also addresses genetic and environmental influences, extremes of intelligence, group differences, lifespan development, the relationship of intelligence and other psychological attributes, and educational interventions. Specific pedagogical features make the text ideal for teaching. Introductions briefly preview what is to come in each chapter. Key terms and concepts are bolded and defined in the text as they are introduced and also found in a glossary at the end of the book. Chapter summaries highlight major points of each chapter, and comprehension and reflection questions help students check their understanding of the material they have just read. Each chapter also includes a 'Focus on Contemporary Research' box that describes in vivid detail the chapter author's current research. A rich program of tables, figures, photos, and samples from research tools throughout help students understand the material in a concrete way.