The problem of this study was to analyze the answers given by four groups (grade levels) of elementary school children and one group of adults (college freshmen) to direct questions regarding natural phenomena, to classify their explanations, to determine the methods and types of explanations used by these groups when they explain typical natural phenomena, and to compare these findings with the results of other investigators, especially Jean Piaget and Mervin E. Oakes.

The problem of this study was to determine the effectiveness of using filmed courses in physics and chemistry in addition to the traditional lecture-laboratory courses in high school.

The purpose of this study was to determine the significance of certain factors relating to successful completion of the program by students in the Doctor of Education program at North Texas State University. Specifically, these factors were determined by a screening of judgments of North Texas State University graduates who had successfully completed the program, students engaged in the program, and from analysis of the factors derived from student records and research in related studies.

The purpose of this study shall be to determine whether or not any relationship exists between child-rearing attitudes of parents and anxiety in their children. Not only will the attitudes of the mothers be concerned, but also those of the fathers.

The problem of this study is to survey the purchasing practices of a group of representative school districts and to determine the extent to which these practices follow the recommendations presented by authorities on school supplies procurement.

The problem of this study was to determine the extent to which certain characteristics of teachers of first-year algebra were related to a) their pupils' attitudes toward algebra and b) their pupils' achievements in algebra. An additional aspect of the study was to ascertain and study the differences between Anglo- and Latin-American pupils' attitudes and achievements in algebra.