A sequential-developmental approach to the assessment of individuals from the earliest sensorimotor period through the level of abstract reasoning is discussed. The assessment is hierarchically sequenced and is concerned with how and why individuals process information. The assessment procedures provide practical data on levels of development. (JN)

The idea that the brain may be more complex and varied in the ways that it responds to and interprets information than is generally recognized suggests that both the left and right hemispheres are in need of total development. In discussing the development of curriculum that will bring into harmony the functions of both brain hemispheres, it is…