The influence of physical fatigue on motor skills learning was examined in a study where subjects were scored on performance of both fatiguing and learning tasks. Results are discussed. (DF)

Examined the recent shift in emphasis from overactivity to the related constructs of arousal, attention and impulsivity in the study of hyperactive children. The adequacy of DSM III diagnostic criteria for Attention Deficit Disorder are considered in light of relevant research developments. (JAC)

Describes an experiment which demonstrates changes in ammonia excretion and urine pH that occur in response to metabolic acidosis (induced by ammonium chloride ingestion) or metabolic alkalosis (produced by sodium bicarbonate ingestion). List of materials needed and background information are included. Typical results are provided and discussed.…

Computers used in employee fitness programs help motivate participants by providing immediate feedback. The computer is used to record employee membership, participant check-in and check-out, fitness and medical testing, and exercise logging. A description of Tenneco's health program is offered. (DF)

Examined the degree to which self-monitored heart rate, respiration rate, and finger temperature are valid indicators of relaxation, in a study of 45 Canadian college students. A comparison of self-monitored and externally monitored measures showed the self-monitored measures are accurate. (JAC)

Human biology is a school subject whose utilitarian/pedagogical traditions enjoy support at the School Certificate level but whose academic tradition is under threat at the General Certificate of Education level. An interpretation of the issues involved are discussed in terms of the subject's historical background. (JN)

A low-cost personal computer was interfaced with a Benedict-Roth type spirometer to simplify laboratory testing for pulmonary function. Data analysis methods and test reliability are discussed. (PP)

Presented is a practical scheme to enable introductory biology students to investigate the mechanism by which urea is synthesized in the liver. The tissue-slice technique is discussed, and methods for the quantitative analysis of metabolites are presented. (Author/SL)

Described is the development of bioelectrochemistry and biorheology research. Stressed is the importance of continued development of interdisciplinary research. (SL)

Examined for cerebral blood circulation were 19 mentally retarded children, aged 7 to 18 years, all with IQ's of approximately 50. (DB)

Revised version of a paper presented at the Annual Meeting of the Linguistic Society of America, St. Louis, Missouri, December 1971. (DD)

The vowel triangle'', devised by Wilhelm Vietor, is a diagram of vowel sounds according to the position of the tongue and jaw during articulation. (DD)

Based on portions of The Emotional Content of Speech: Some Exploratory Acoustical Studies'', Naval Aerospace Medical Research Laboratory Monograph 18, Pensacola, Florida, 1972. (DD)

Author briefly summarizes the research and objectives of physical education programs. (CB)