Amazon.com description: Product Description: A guide to understanding and managing the psychological and emotional factors that influence every investor's decision-making and effectiveness. Incorporating five years of research and experience since publication of Bernstein's highly successful study of the psychology of investing, The Investor's Quotient, The Inner World of Investing shows readers how to identify strengths and weaknesses in the way they make trading decisions. Bernstein--a market analyst and former clinical psychologist--pinpoints common psychological hang-ups, situations where investors often make mistakes, and personality types who may not be living up to their investment potential, and offers specific shape-up plans for each problem.