Fully updated to reflect the most recent changes in the field, the Second Edition of "Propensity Score Analysis" provides an accessible, systematic review of the origins, history, and statistical foundations of propensity score analysis, illustrating how it can be used for solving evaluation and causal-inference problems. With a strong…

Methodology related to Lawrence Kohlberg's theory of moral development has been continuously refined by creation and evaluation of additional research instruments. Instruments have been tested at summer scoring workshops presented by Kohlberg and his staff at the Center for Moral Education, Harvard University, in 1972, 1973, and 1976. Instruments…