ABSTRACT
Structural change over time is a “turning point” construct that crosses many disciplinary borders. Often, it is used to reflect a change in an organizational structure that is followed by other changes or even created to facilitate these changes. Historical studies may examine how change in some central variable or variables such as population size, density, or composition may promote a whole series of subsequent changes in the relationships among other variables. Structural change is a central construct in psychoanalysis in which therapeutic efficacy is often viewed as essentially involving changes in the connections among different constructs and affects (e.g. Huber, Henrich &, Klug, 2005; Sugarman, 2006). Developmental studies often focus on how a change in one or two variables may influence a change in a number of other variables, as for example puberty effects or effects of age-related decline or increase in cognitive function.
