Children's beliefs about instances of mechanical and electrical causation

Two main questions were asked regarding young children's beliefs about causal mediation: What sorts of beliefs about causal mediation are reflected by children's incomplete explanations of causal situations? In particular, do children hold a false belief in action at a distance or do they realize that something must mediate between cause and effect? When presented with a non-visible connection between cause and effect (Experiment I), the children's incomplete (Piagetion Stage 1) explanations either reflected the correct expectation of a mediating connection or else merely reflected identification of the causal agent and no concern one way or another with the issue of causal mediation. This was also the case when the mediating connection was visible and present at the outset (Experiment II). In neither experiment (both of which involved mechanical causation) was there evidence of a false belief in action at a distance. A third experiment involved instances of electrical causation in order to maximize the chances of tapping a false belief. The rationale was that, in their everyday lives, although children do have first-hand experience with the mediating connection in instances of mechanical causation, they do not have such experience with instances of electrical causation. The results from the third experiment were analogous to the results in the other two. It was concluded that, with respect to instances of physical causality, young children do not hold a false belief (in action at a distance) that is later relinquished. Rather, their concerns are, at first, restricted to identifying the causal agent and do not include any beliefs, true or false, about the issue of causal mediation. When they eventually do deal with the question of causal mediation, children hold approximately correct beliefs. In terms of school situations, these findings suggest a shift from providing the child with disconfirming data that will aid him in relinquishing his false beliefs to providing him, instead, with additional data that will supplement his existing, approximately correct beliefs.     

Sex differences in childhood socialization patterns in African societies

Data on sex-role socialization patterns of 29 African and 79 non-African societies were analyzed to test a set of hypotheses about the extent of sex-typing displayed in the child-training processes of African societies. Findings suggest that clear sex differences in socialization emphases and behavioral outcomes exist within African societies; moreover, such differentials resemble those reported among societies from other world cultural regions. In addition, three interesting secondary findings suggest that (1) males experience greater overall levels of socialization anxiety than females; (2) greater overall normative pressure is exerted on males than females in the course of child training; (3) in the aggregate, male children tend to be more compliant in reproducing ideal role-related behavior patterns than female children.     

Problems and issues in research on gender differences

Problems specific to the study of gender differences — terminology, conceptualization, commonsense beliefs, evaluation and objectivity — are considered before reviewing reports of differences in psychological and social behaviour. Exploration of the interrelation of individual psychological and social variables is followed by reflection on the nature of an adequate theory of gender differentiation.     

Goals,Values, and Beliefs as Predictors of Achievement and Effort in High School Mathematics Classes

Gender and motivation in high school mathematicsclass were examined by using an expectancy-valueframework. There were 366 students (146 males, 212females)from a school with an enrollmentof approximately 1900 students (81% Caucasian, 8% NativeAmerican, 5% Hispanic, 4% African American, and 2%Asian). These students completed a questionnaireconsisting of 92 items which measured students'situation-specific goals (4 subscales), task-specific values (3subscales), task-specific beliefs (3 subscales), andgender self-schemata (2 subscales). Students' percentagegrade in math and selfreported effort in math class were the dependent variables. The three sets oftask-specific variables each accounted for between 11%and 14% of variance in achievement, while the genderself-schemata variables contributed another 2%. Task-specific goals were much strongerpredictors of effort than any other set of variables. Anunexpected finding was that, for both males and females,endorsing the stereotype that mathematics is a male domain was negatively related to reportedeffort. There were also differences in the prediction ofachievement and effort based on gender and math classtype (required or elective). Several path models supported these results.     

A System for Relational Reasoning in Human Prefrontal Cortex

The integration of multiple relations between mental representations is critical for higher level cognition. For both deductive- and inductive-reasoning tasks, patients with prefrontal damage exhibited a selective and catastrophic deficit in the integration of relations, whereas patients with anterior temporal lobe damage, matched for overall IQ but with intact prefrontal cortex, exhibited normal relational integration. In contrast, prefrontal patients performed more accurately than temporal patients on tests of both episodic memory and semantic knowledge. These double dissociations suggest that integration of relations is a specific source of cognitive complexity for which intact prefrontal cortex is essential. The integration of relations may be the fundamental common factor linking the diverse abilities that depend on prefrontal function, such as planning, problem solving, and fluid intelligence.     

Children of Incarcerated Mothers

We review the literature on children whose mothers are incarcerated in jails or prisons. These children typically experience a great many risk factors besides their mothers' incarceration, including poverty, drug and alcohol problems in their families, community violence, and multiple changes in caregivers. Children's lives are greatly disrupted when mothers are arrested, and most children show emotional and behavioral problems. The impact this has depends on the age of the child, the alternate caregiving arrangements, and the course of the mother's incarceration. Children of incarcerated mothers experience internalizing (fear, withdrawal, depression, emotional disturbance) and externalizing (anger, fighting, stealing, substance abuse) problems, as well as heightened rates of school failure and eventual criminal activity and incarceration. Research in this area is scarce and often of poor quality. A research agenda which is guided by a transactional, ecological, and developmental model, and which examines children's well-being over the course of the mothers' incarceration is suggested.     

Scientific misconduct: Present problems and future trends

Substantial progress in handling scientific misconduct cases has been made since the first cases were investigated by the NIH Office of Scientific Integrity in 1989. The successor Office of Research Integrity (ORI) has simultaneously reduced the backlog of cases and increased the professionalism with which they are handled. However, a spate of lawsuits against universities, particularly those brought under the federal False Claims Act, threatens to undermine the ORI by encouraging use of the courts as an alternate route for resolving claims of research misconduct. Next steps should include establishing a government-wide definition of scientific misconduct, providing immunity from lawsuits for institutions that follow proper procedures in investigating charges of scientific misconduct, and participating in the development of international guidelines for maintaining scientific integrity. An earlier version of this paper was presented at the symposium entitled “Misconduct in Science: A Decade of Progress or Merely Years of Controversy” held during the Annual Meeting of the American Association for the Advancement of Science, Philadelphia, Pennsylvania, 13 February, 1998.     

Relational Considerations in the Use of Influence Tactics1

It is proposed that the existing relationship between the influencing agent and the target of influence plays a central role in the choice of using hard and soft influence tactics. In a field study, 3 key aspects of the relation between agent and target were examined, and the results generally supported our hypotheses. First, the more unfairly people felt they were treated, the more often they wielded influence, especially using harder influence tactics. Second, the better the influencing agent liked the target, the relatively less often he or she used hard tactics. Finally, the more the influencing agent felt dependent upon the target, the fewer influence tactics, both hard and soft, were used. The discussion focuses on both the practical and theoretical implications of these findings.     

Narcotics Use Among Miami's Public School Students, 1992: No Restraints

This analysis examines narcotics use by 464 adolescents in Dade County, Florida public schools during 1992. Significant factors that tend to increase the probability of narcotics use include peer use of narcotics, that they are White, that they are male, and that they tend to be good students.     

An analysis and replication of the Add-A-Word Spelling Program with mildly handicapped middle school students

The effects of the Add-A-Word Spelling Program was examined in two experiments with mildly handicapped middle school students. In Experiment I, the Add-A-Word program with daily testing of small word lists; drill through the copy, cover, and compare method; a high level of mastery before words were removed from the student's list; and reappearance of mastered words, was evaluated with a multiple baseline design across three students. The data indicated improved performance on daily spelling tests when the Add-A-Word system was implemented. The purpose of Experiment II was to compare the Add-A-Word spelling program to the more traditional Monday Pre- and end of the week Posttest spelling procedures found in most classrooms. The comparisons were made in a counterbalanced multiple baseline design across six students. The students' overall accuracy in spelling was higher during the Add-A-Word Program than during either Baseline (daily testing) or the Preand Posttest systems. However, student's spelling scores were also higher during the Pre-Posttest procedure than during the Baseline condition. Benefits of the Add-A-Word spelling program for middle school students were discussed.