The first part of this research study examines how elementary students discover and understand certain relationships in nature. The second part investigates how pupils operate with overlapping concepts. (Author/RM)

A research study examined how elementary school children learn music. Among the findings is that any musical activity is impossible without the development of musical auditory images. (Author/RM)

Describes the results of comparative study of Russian elementary students' learning of spelling under an experimental didactic system and under traditional methods. Findings confirmed the hypothesis that sophistication in spelling depends on the overall development of pupils. (Author/RM)

Research undertaken in Russia examines how elementary students in experimental and conventional classes assimilate the concept of a problem. The criterion of assimilation is defined as the pupil's application of theoretical knowledge of the problem to the solution of the problem. (Author/RM)

The author describes the qualitative features of learning by school pupils in Russia who have completed education under an experimental system. This is done through analysis of certain aspects of their school work in the middle and upper grades. (Author/RM)