In 1951, when Maria Montessori described the pattern of human development as the Constructive Rhythm of Life, marking each of four chapters or planes of development with an inverted triangle, she colored the first and third planes red to represent their intensity (Grazzini, 1996). These two red triangles are referred to as creative periods and…

Personality predicts how we interact with others, what partners we have, and how happy and lasting our romantic relationships are. At the same time, our experiences in these relationships may affect our personality. Who experiences specific major relationship events, and how do these events relate to personality development? We examined this issue…

Schools have a seminal role in preparing a society's children for their adult responsibilities as workers, parents, friends, neighbors, and citizens. The United States, countries of the Organisation for Economic Co-operation and Development, Brazil, India, South Africa, and other multiethnic democratic nation-states have increasingly diverse…

In the past 50 years researchers have identified a number of demographic shifts occurring within industrialized societies that have resulted in changes in the nature of the developmental processes occurring in young adults. Arnett (2000) labels this new, socially constructed time period, between the ages of 18 and 25 years, as emerging adulthood.…

Past research in both the transitions to adulthood literature and cultural sociology more broadly suggests that the working class relies on traditional cultural models in their construction of identity. In the contemporary post-industrial world, however, traditional life pathways are now much less available to working-class men and women. I draw…

Examined perceptions of personal control in 1,267 individuals in 4 generations of families participating in multiple cohort, longitudinal study spanning 1971-91. Over 20 years, mean levels of personal control became more internal among 560 individuals who participated in all measurements, probably reflecting environmental factors. Found…

Describes a model of adaptation to the environment across the life span. Proposes that an individual's performance in an activity is affected not only by cognitive capacity but also by perceptions and definitions of the activity. Empirical support for the model, based on a survey of individuals' everyday experiences and on laboratory studies, is…

This discussion of friendship in the lives of people with developmental disabilities raises questions which probe the nature of friendship, friendship between people with and without disabilities, and the special challenges involved in making and keeping friends. First, four dimensions of friendship are identified and discussed: (1) attraction…