Two influential theories of intellectual development are reviewed and analyzed: the psychometric framework, based on the factorial composition of intelligence, and the Piagetian model, based on assimilation and accomodation through four stages of intellectual development. A third concept is the componential theory of intelligence, based on…

A series of studies carried out in Aberdeen, Scotland and Lancaster England is used to illustrate changing interests in the area of personality and learning. The early studies looked for general relationships, adopting a psychometric approach. Recent work has been focused more on the process of learning, particularly in higher education, and on…