This is an excellent revision guide, providing a comprehensive coverage of psychological investigations and the 15 core studies. The study guide is succinct and clearly focusses the learner on skills needed for the exams. Students will find the guide less daunting than textbooks, especially as the core studies, methods and approaches are concisely described and evaluated; particularly impressive are the many exam tips which guide the student to improve their exam performance. An essential read for any student of OCR AS Psychology. – Mark Holah, Teacher of Psychology, Wye Sixth Form College