This volume presents the latest research on applying heuristics and biases to the areas of health, law, education, and organizations. Authors adopt a cross-disciplinary approach to study various theories.

Many authors have argued that applying social psychology to the solution of real world problems builds better theories. Observers have claimed, for example, that of human behavior applied social psychology reveals more accurate principles because its data are based on people in real-life circumstances (Helmreich, 1975; Saxe & Fine, 1980), provides an opportunity to assess the ecological validity of generalizations derived from laboratory research (Ellsworth, 1977; Leventhal, 1980), and discloses important gaps in existing theories (Fisher, 1982; Mayo & LaFrance, 1980). Undoubtedly, many concrete examples can be mustered in support of these claims. But it also can be argued that applying social psychology to social issues and problems builds better research methods. Special methodological problems arise and new perspectives on old methodological problems emerge when re searchers leave the laboratory and tackle social problems in real-world settings. Along the way, we not only improve existing research techniques but also devel op new research tools, all of which enhance our ability to obtain valid results and thereby to understand and solve socially relevant problems. Indeed, Campbell and Stanley's (1966) seminal work on validity in research design grew out of the application of social science in field settings. In this spirit, the principal aim of this volume is to present examples of methodological advances being made as researchers apply social psychology in real-life settings.

Research on small groups played an important role in the early formulation of social psychology. By the 1970s, however, the field had lost the interest of most social psychologists. Theory and Research on Small Groups reintegrates that work back into the mainstream of social psychology. The more recent `issues-oriented' approach has not only resulted in many interesting findings-it has also applied basic social psychological theory in new ways and, moreover, led to new theoretical developments that deserve more attention. This volume, which features the work of esteemed researchers from around the world, is a bountiful resource worthy of notice by all social psychologists.

This volume presents the latest research on applying heuristics and biases to the areas of health, law, education, and organizations. Authors adopt a cross-disciplinary approach to study various theories.

Many authors have argued that applying social psychology to the solution of real world problems builds better theories. Observers have claimed, for example, that of human behavior applied social psychology reveals more accurate principles because its data are based on people in real-life circumstances (Helmreich, 1975; Saxe & Fine, 1980), provides an opportunity to assess the ecological validity of generalizations derived from laboratory research (Ellsworth, 1977; Leventhal, 1980), and discloses important gaps in existing theories (Fisher, 1982; Mayo & LaFrance, 1980). Undoubtedly, many concrete examples can be mustered in support of these claims. But it also can be argued that applying social psychology to social issues and problems builds better research methods. Special methodological problems arise and new perspectives on old methodological problems emerge when re searchers leave the laboratory and tackle social problems in real-world settings. Along the way, we not only improve existing research techniques but also devel op new research tools, all of which enhance our ability to obtain valid results and thereby to understand and solve socially relevant problems. Indeed, Campbell and Stanley's (1966) seminal work on validity in research design grew out of the application of social science in field settings. In this spirit, the principal aim of this volume is to present examples of methodological advances being made as researchers apply social psychology in real-life settings."