This second edition of this popular text is designed to meet the needs of teachers and students following new A and AS level Psychology syllabuses on either modular or terminal routes, as well as those on introductory psychology courses at degree level. This extensively revised and updated edition covers: * major orientations in psychology and philosophical issues in psychology: including free-will and determinism and reductionism * psychology and science biases in psychological theory and research, including advertising, propaganda, warfare and psychometric testing * ethics in psychological research and practice * ethics in socially sensitive research Key concepts are clearly flagged and learning objectives are included in each chapter.