This study was designed to determine the extent to which (speech) motor timing control, as defined by a statistical model, improves in consistency with age and the degree to which peripheral feedback is used by children to maintain this consistency. Clinical applications and possible genetic implications are discussed. (Author/ED)

Research involving perceived internal versus external control of reinforcement as a personality variable has been expanding at a rapid rate. This article discusses (a) the place of this construct within the framework of social learning theory, (b) misconceptions and problems of a theoretical nature, and (c) misuses and limitations associated with…

Study supported by National Science Foundation Grant No. GB-1742, "Ability Components of Skill Learning.

To investigate the development of symbolic play, 18 Japanese normal boys and girls were individually tested once every even-numbered month from when they were 12 to 24 months of age. Symbolic play was generally defined as behavior which represents actual or imagined experience by using objects, gesture or language alone or in combination. The…

Recent work in attribution theory has shown the importance of not only the distinction between beliefs in internal and external causes, but also between relatively fixed, stable causes and those more unstable and subject to change. The relationships of causal attributions for success and failure in achievement and social affiliation with…

In general, there are two reasons for modifying the rules in sport activities: (1) to meet a specific objective or (2) to solve a perceived problem. The sense of the original game is usually not altered significantly because the number of rule changes is kept to a minimum. Changes in rules may be made for administrative or financial reasons, or to…

A study investigated the role of writing apprehension in the writing competency and performance of college students. Specifically, the study examined whether high writing apprehensives would perform differently than low apprehensives on standardized tests of writing-related skills and on two different types of essays. Based on the results of a…

INTELLECTUAL, EDUCATIONAL, NEUROLOGICAL, PHYSIOLOGICAL, PSYCHOLOGICAL, AND SOCIOLOGICAL FACTORS IN VARIOUS PATTERNS OF INTERRELATIONSHIPS INFLUENCE THE THINKING PROCESS. INDIVIDUALS DIFFER IN THE CONCEPTS THEY HOLD AND IN THEIR USE OF THESE CONCEPTS BECAUSE OF VARIATIONS IN INTELLIGENCE AND BACKGROUND OF EXPERIENCE. THE RANGE AND LEVEL OF CONCEPTS…

THE HUMAN OPERATOR AFFECTS TOTAL PERFORMANCE OF SEMI-AUTOMATED SYSTEMS, BUT LITTLE IS KNOWN ABOUT HIS SOURCES OF ERROR, PARTICULARLY WITH RESPECT TO RESPONSE TIME. UNDER CONTROLLED LABORATORY CONDITIONS, 37 FRESHMEN AND SOPHOMORE GIRLS ATTENDING JUNIOR COLLEGE WERE ASKED TO GUESS A SERIES OF RANDOM NUMBERS GENERATED BY AN ELECTROMECHANICAL SYSTEM…

IT WAS HELD THAT A PROGRAM FOR THE ACADEMICALLY TALENTED CHILD SHOULD BEGIN AS SOON AS HE IS IDENTIFIED, AND THAT THE CHILD SHOULD HAVE THE OPPORTUNITY TO DEVELOP TO HIS FULL POTENTIAL. SOME BROAD OBJECTIVES WERE TO DEVELOP WITHIN THE CHILD AN UNDERSTANDING AND APPRECIATION FOR THE CONTRIBUTIONS OF CONTEMPORARY AND PAST ACHIEVEMENTS, TO AROUSE IN…

EXPERIENCES WITHIN AN ENRICHED ENVIRONMENT ARE PROVIDED TO PREPARE DISADVANTAGED PRESCHOOL YOUTH FOR SCHOOL, TO INCREASE THEIR POTENTIAL FOR INITIAL SUCCESS IN SCHOOL, AND TO PROVIDE THEM WITH OPPORTUNITIES TO REALIZE THEIR INDIVIDUAL POTENTIALS. STRUCTURE WITHOUT RIGIDITY IS ACHIEVED THROUGH A PLANNED "PREPARED" ENVIRONMENT IN WHICH THE…

ATLANTA HAS MADE AN ATTEMPT TO GET AT THE DIFFERENCES BETWEEN THE ACHIEVEMENT OF NEGRO AND WHITE PUPILS IN A SEGREGATED SYSTEM BY USING AN OUTSIDE AGENCY TO ORGANIZE AND IMPLEMENT A COMPREHENSIVE SURVEY. THE WASHINGTON SCHOOL SYSTEM HAS COMPLETED 5 YEARS UNDER AN INTEGRATED ARRANGEMENT AND IS OFFERED AS AN EXAMPLE OF WHAT MAY HAPPEN TO SCHOLASTIC…

AN EXPLORATION OF THE RELATIONSHIP BETWEEN AN INDIVIDUAL'S PATTERN OF LIVING AND THE RETENTION OF MENTAL ABILITIES WITH AGE WAS MADE AND EVALUATED. THE OBJECTIVES WERE (1) TO ESTIMATE THE EFFECTS OF AN 11-YEAR INCREMENT (50-61) UPON EIGHT MEASURABLE MENTAL ABILITIES, (2) TO ESTIMATE THE EFFECT OF THE GIVEN AGE INCREMENT UPON INDIVIDUAL AND TRAIT…

THE EXAMINATION WAS CONDUCTED TO DETERMINE IF A CHILD'S ABILITY TO CREATE (COGNITIVE ORIGINALITY) IS INDEPENDENTLY ASSOCIATED WITH HIS GENERAL LEVEL OF INTELLIGENCE. ONCE THIS PROVED TO BE THE CASE THE INVESTIGATORS THEN PURSUED THE STUDY OF PSYCHOLOGICAL CORRELATES THAT DISTINGUISH INDIVIDUAL DIFFERENCES ON THE CREATIVITY AND INTELLIGENCE…