Autism is a pervasive developmental condition with complex aetiology. To aid the discovery of genetic mechanisms, researchers have turned towards identifying potential endophenotypes--subtle neurobiological or neurocognitive traits present in individuals with autism and their "unaffected" relatives. Previous research has shown that relatives of…

Previous research suggests that 3-year-olds fail to learn from statistical data when their prior beliefs conflict with evidence. Are children's beliefs entrenched in their folk theories, or can preschoolers rationally update their beliefs? Motivated by a Bayesian account, we conducted a training study to investigate this question. Children (45…

The study was made to obtain curriculum development data for food service education programs below the baccalaureate level. Tasks related to the job functions of service, production, sanitation/safety, menu planning, procurement, supervision, and management were studied for five job categories of full-time personnel: middle-level service,…

The objectives of the study were: (1) to determine the number of training task repetitions required for an Undergraduate Pilot Training (UPT) student to become proficient, and (2) to determine the total number of task repetitions that UPT students receive for each maneuver in T-37 and T-38 training. The project was conducted in two parts. Study 1…

This report is an analysis of an investigation of staffing requirements for librarianship and information work carried out between 1972 and 1975 under the title of Sheffield Manpower Project. The results of the administration of a job descriptive questionnaire to members in a representative 45 per cent sample of libraries and information units (19…

The purpose of this study was to complete a job analysis of the Air Force's Medical Service Career Field. This is the first in a series of reports designed to compare and make recommendations concerning the role of the Nurse and Medical Corpsman in the Air Force's health care delivery system. A sample of 1,996 airmen in the Medical Service Career…

Coordinate graphs of time-series data have been significant in the history of statistical graphing and in recent school mathematics curricula. A survey task to construct a graph to represent data about temperature change over time was administered to 133 students in Grades 3, 5, 7, and 9. Four response levels described the degree to which students…

The occupational survey's purpose was to identify the skills which are performed and essential for success in three veterinary lay occupations: animal health assistant, animal hospital receptionist, and animal health technician. Survey objectives were accomplished by constructing an initial task inventory of 21 duty areas, validating the initial…

The study of task identification in family and community services presents statistical correlations of task frequencies obtained by questionnaire for the occupations of visiting homemaker or homemaker home/health aide, family planning health aide, counselor on alcoholism, management aide in low-income housing projects, deputy juvenile probation…