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)

Three articles compare the development and achievement of Russian elementary students in an experimental program with those in a conventional program. Results show an intensive inner motivation toward cognitive activity on the part of pupils in the experimental classes that was lacking in pupils in the conventional classes. (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)

Discusses an experimental study in elementary school curriculum development in Russia. The Soviets studied the relationship between teaching and the general development of the student and developed an experimental teaching system. Historical background of the problem, research methods used, and the teaching system's principles are examined.…