Reviews a definition of intelligence consonant with research findings and current as well as previous conceptions which opens the way to a theoretical and clinically applicable conception. Reprints available from author, Psychology Department, Duquesne University, Pittsburgh, Pennsylvania 15219. (Author/EK)

If we are to avoid a purely pathological approach to the study of population, it is important to define the problem of population" in a perspective which takes account of the whole field of population studies. Readings for the teacher are discussed. (Author/VW)

The study examined the effects of three self-instructional approaches of teaching diagnostic problem-solving. Two of the approaches attempted to stimulate student-equipment interaction via programmed and text instruction while a third approach utilized actual equipment. The equipment approach was superior to non-equipment simulation approaches.…

An investigation of the reasoning processes of expert physicians. (HS)

It was concluded that the assumption of diminished problem solving capacity in suicidal adolescents is correct. (Author)

The authors discuss the evaluation of mathematics learning at four levels: associative learning, concept learning, principle learning and problem solving. (MM)