The coexistence of Dipodomys ordii and Perognathus hispidus with Peromyscus maniculatus and Reithrodontomys montanus was studied in a grassland association of central Texas. The food habits of these species were compared with information from habitat vegetation analysis in an effort to determine food selectivity and the amount and importance of niche overlap and competition among these rodents.

The purpose of this study was to examine the relationship between the personality characteristics of high school male gymnasts and the personality characteristics of high school football athletes and non-athletes. An attempt was made to answer three specific questions: I. Do personality differences exist between the gymnastic group and the non-athletic group? II. Do personality differences exist between the gymnastic group and the football group? III. Do personality differences exist between the football group and the non-athletic group?

The present study was concerned with comparing the relative effectiveness of behavior rehearsal and systematic desensitization in the treatment of social anxiety.

The problem with which this investigation is concerned is that of determining the drug knowledge levels and attitudes toward drug abuse of fifth and sixth grade schoolchildren.

"The problem with which this study is concerned is that of determining whether the implementation of a teacher-training curriculum providing the courses required for state certification of vocational-technical teachers employed in the North Texas public school systems is feasible and desirable at North Texas State University."--1.

This study was conducted to ascertain whether or not the opportunities for developing competencies in descriptive geometry needed by draftsmen in the Dallas -Fort Worth area are being provided in Texas junior colleges. Findings concerning the knowledge, skills, and equipment associated with descriptive geometry as it is presented in Texas junior colleges were compared with competencies in descriptive geometry that representatives of industry believe are important for successful draftsmen in companies in the Dallas-Fort Worth area. The purpose of the study is to compile information which will be of use to school officials and teachers in developing courses of study that will enable students to acquire the knowledge and skills needed for success in industry.

The purpose of the study was to determine if subjects would improve in cardiovascular efficiency following a six-week program of trampolining and/or tumbling. Literature concerning cardiovascular efficiency, training, trampoline, testing instruments, test selection and maximal oxygen intake were thoroughly reviewed. The Astrand test of maximal oxygen intake and the Cooper twelve-minute run test of aerobic capacity were found to best fit the needs of the present study.

This is an economic and social history of the Texas Electric Railway, which operated three interurban lines branching out of Dallas. The railway operated from 1917 until 1948, although the company was not dissolved until 1955. Of necessity, the study is based on primary source materials, including railway pamphlets, trade journals such as the Electric Rai Journal, personal interviews, Texas and United States Government documents and publications, and newspapers. Unfortunately, original financial records of the company no longer exist; therefore, financial information comes from Moody's Manual of Investments, Public Utilities.