Introduction. E. T. Higgins & A. Kruglanski, Motivational Science: The Nature and Functions of Wanting. Part I: Basic Wants. Introduction. T. Pyszczynski, J. Greenberg, & S. Solomon, Why Do We Need What We Need?: A Terror Management Perspective on the Roots of Human Social Motivation. R. Baumeister & M. Leary, The Need to Belong: Desire for Interpersonal Attachments as a Fundamental Human Motivation. M. B. Brewer, The Social Self: On Being the Same and Different at the Same Time. A. Tesser, M. Millar, & J. Moore, Some Affective Consequences of Social Comparison and Reflection Processes: The Pain and Pleasure of Being Close. Part II: When Wants Change. Introduction. N. Cantor, Life Task Problem-Solving: Situational Affordances and Personal Needs. S. Folkman, R. Lazurus, C. D. Schetter, A. DeLongis & R. Gruen, The Dynamics of a Stressful Encounter. E. Deci & R. Ryan, The Support of Autonomy and the Control of Behavior. Part III: Bridging the Gap Between Knowing and Doing. Introduction. J. Atkinson, Motivational Determinants of Risk-Taking Behavior. I. Ajzen, & M. Fishbein, The Prediction of Behavior from Attitudinal and Normative Variables. A. Bandura & D. Cervone, Self-Evaluative and Self-Efficacy Mechanisms Governing the Motivational Effects of Goal Systems. R. Vallacher & D. Wegner, What Do People Think They are Doing?: Action Identification and Human Behavior. W. Mischel & Y. Shoda, A Cognitive-Affective System Theory of Personality: Reconceptualizing Situations, Dispositions, Dynamics, and Invariance in Personality Structure. Part IV: Getting What You Want. Introduction. C. S. Carver & M. Scheier, Origins and Functions of Positive and Negative Affect: A Control-Process View. E. Higgins, Beyond Pleasure and Pain. P. Gollwitzer, H. Heckhausen & B. Stellar, Deliberative vs. Implemental Mind-Sets: Cognitive Tuning Toward Congruous Thoughts and Information. W. Swann Jr., Identity Negotiation: Where Two Roads Meet. Part V: Knowing From Wanting. Introduction. Z. Kunda, The Case for Motivated Reasoning. M. Zanna & J. Cooper, Dissonance and the Pill: An Attribution Approach to Studying the Arousal Properties of Dissonance. R. Sorrentino, D. Bobocel, M. Gitta, J. Olson, & E. Hewitt, Uncertainty Orientation and Persuasion: Individual Differences in the Effects of Personal Relevance on Social Judgments. A. Kruglanski & D. Webster, Motivated Closing of the Mind: "Seizing" and "Freezing". Part VI: Wanting from Knowing. Introduction. B. Weiner & A. Kukla, An Attributional Analysis of Achievement Motivation. C. Dweck & E. Leggett, A Social-Cognitive Approach to Motivation and Personality. D. Zillmann, R. Johnson & K. Day, Attribution of Apparent Arousal and Proficiency of Recovery from Sympathetic Activation Affecting Excitation Transfer to Aggressive Behavior.