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…

Statistics courses for prospective teachers are being developed in response to recent K-12 curriculum recommendations. As these courses are developed, it is important to design accompanying assessments. This manuscript describes a strategy for assessing aspects of statistical knowledge for teaching. The strategy involves analyzing and responding…

The purpose of this project was to explore and more carefully design studies of adjective-related structures and processes as they emerge during development in children between the ages of 4 to 8, since the salient characteristics in speech at this age tend to compare and contrast objects encountered in their environments. A group of 40 black and…

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 third document in an eight-part series on a task-based management system for special education programs presented field-gathered data (organized in the form of summary tables) on task time distribution, reported responsibility distribution, and suggested responsibility distribution for a wide range of tasks. Task time distribution charts…

An evaluation performance program specifically oriented toward such administrative actions as tenure, promotion, and salary adjustment is described. It uses task analysis to clarify the nature of the desired evaluative content and peer review as the primary evaluative mechanism. Its use in a psychology department is discussed. (Author/LBH)

This report summarizes a study designed to assess current and future manpower needs in wastewater treatment, water treatment, and air pollution control, as well as perform task analyses for the purpose of developing courses of study and instructional materials. Data were collected by means of interviews for all 10 air pollution control areas in…

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…

Research into problems associated with job training programs resulted in a method for defining on-the-job training where a substance organization must serve as the training base for the organization in which the trainee ultimately will serve. The method involves determining the tasks required by the jobs men do in the target organization and…

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…

The study of task identification in clothing, apparel, and textile services presents statistical correlations of task frequencies obtained by questionnaire in six task clusters for the occupations of fabric specialist, tailor, alternation specialist, dry cleaner, launderer, and clothing apparel and textile service occupations. One-way matrices…

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 study of task identification in institutional and household maintenance presents statistical correlations of task frequencies obtained by questionnaire in 10 task clusters for the occupations of executive housekeeper, supervising housekeeper, housekeeping director, custodian, homemaker/home health aide, hotel/motel housekeeping aide, nursing…