The author examines current techniques used to teach elementary school children how to analyze and compare. Emphasis is placed upon developing these modes of mental activity while teaching biological concepts. (DE)

Psychological equilibration (internal mental process by which individuals develop intellectually) is discussed in terms of its origin in the biological theory of evolution and in the thinking of Jean Piaget. The importance of equilibration theory for biology instruction is then considered. (Author/JN)

Examined influence of teaching methods on content achievement of concrete and formal concepts by students differing in level of operational thought and influence of concrete/formal teaching on the intellectural development of students (N=86 grade 9-10 biology students). Methodology, results, conclusions, and implications are discussed. (Author/JN)

THIS STUDY WAS DESIGNED TO DETERMINE AND NOTE SIMILARITIES AND DIFFERENCES IN THE COGNITIVE OBJECTIVES OF EXAMINATIONS USED IN NINTH GRADE COURSES IN A JUNIOR HIGH SCHOOL. SEMESTER EXAMINATIONS FOR 1963-64 PREPARED BY INDIVIDUAL TEACHERS OR BY TEACHERS AS MEMBERS OF COMMITTEES WERE ANALYZED BY TEST ITEMS ACCORDING TO THE TAXONOMY OF EDUCATIONAL…