Reinforce and practise skills learned with step-by-step support from experts to help you achieve your maximum potential. - Avoid mistakes and common misconceptions with step-by-step support, advice and clarification of key points from an expert author. - Build knowledge of key theories and studies with research summaries and evaluation notes. - Test and consolidate your knowledge with exam-style questions and answers. - Have confidence in your study with end-of-topic questions and answers to enable you to tick off each subject as you complete it, and a revision planner to help pace study.