Gender gaps in cognitive and social‐emotional skills in early primary grades: Evidence from rural Indonesia

This paper examines the magnitude and source of gender gaps in cognitive and social‐emotional skills in early primary grades in rural Indonesia. Relative to boys, girls score more than 0.17 SD higher in tests of language and mathematics (cognitive skills) and between 0.18 and 0.27 SD higher in measures of social competence and emotional maturity (social‐emotional skills). We use Oaxaca–Blinder decomposition to investigate the extent to which gender differences in early schooling and parenting practices explain these gender gaps in skills. For cognitive skills, differences in early schooling between boys and girls explain between 9% and 11% of the gender gap whereas differences in parenting practices explain merely 3%–5% of the gender gap. This decomposition result is driven largely by children living in villages with high‐quality preschools. In contrast, for social‐emotional skills, differences in parenting styles toward boys and girls explain between 13% and 17% of the gender gap, while differences in early schooling explain only 0%–6% of the gender gap.     

Who’s the boss? Arbitrating control authority between a human driver and automation system

Progress toward the fully automated highway will first require that manual and automatic control be successfully combined. Determining a combination that preserves the best performance features of human and automatic control yet allows either driver to cover for the faults of the other is a challenging problem. In this study, we invited 11 participants to drive a simulated vehicle through a course with obstacles to investigate the ability of human-automation teams to cover for human and automation faults. We developed the automation system using model predictive control and implemented three schemes under which the human would share control with the automation. In Autopilot, the human driver initiated a takeover with a button press whereas in Active Safety the automation initiated a takeover when it anticipated an obstacle collision. In Haptic Shared Control the human was free to invoke a transition by activating or relaxing muscles. In addition, we included two baseline conditions in which control was given in whole to either the human or the automation. We compared performance in the five conditions by analyzing obstacle hits and metrics related to driving maneuvers around the obstacles that were avoided. Relative to individual human or automatic driver performance, we found that control sharing reduced obstacle hits under fault conditions but also occasionally resulted in obstacle hits under no-fault conditions. Our findings further indicated that team performance suffered most under Autopilot for automation faults and suffered most under Active Safety for human faults. Haptic Shared Control supported the best overall team performance.     

A fuzzy-based driver assistance system using human cognitive parameters and driving style information

Reducing the number of traffic accidents due to human errors is an urgent need in several countries around the world. In this scenario, the use of human-robot interaction (HRI) strategies has recently shown to be a feasible solution to compensate human limitations while driving. In this work we propose a HRI system which uses the driver’s cognitive factors and driving style information to improve safety. To achieve this, deep neural networks based approaches are used to detect human cognitive parameters such as sleepiness, driver’s age and head posture. Additionally, driving style information is also obtained through speed analysis and external traffic information. Finally, a fuzzy-based decision-making stage is proposed to manage both human cognitive information and driving style, and then limit the maximum allowed speed of a vehicle. The results showed that we were able to detect human cognitive parameters such as sleepiness –63% to 88% accuracy–, driver’s age –80% accuracy– and head posture –90.42% to 97.86% accuracy– as well as driving style –87.8% average accuracy. Based on such results, the fuzzy-based architecture was able to limit the maximum allowed speed for different scenarios, reducing it from 50 km/h to 17 km/h. Moreover, the fuzzy-based method showed to be more sensitive with respect to inputs changes than a previous published weighted-based inference method.     

儿童早期同伴接纳与社会适应的关系：一项交叉滞后分析

采用间隔一年半的追踪设计对192名学前儿童的同伴接纳和社会适应之间的关系进行交叉滞后分析。结果发现：T1同伴接纳可以显著正向预测T2社会能力,显著负相预测T2外化问题行为,T1社会能力能够显著正向预测T2同伴接纳,T1内化问题和外化问题行为可以显著负向预测T2同伴接纳;T2同伴接纳可以显著正向预测T3社会能力,显著负相预测T3外化问题行为,T2社会能力能够显著正向预测T3同伴接纳。这些结果表明,同伴接纳和社会适应之间存在相互影响,并随着儿童年龄增长,存在一定程度的动态变化。     

Payoff expectancies between contingent serial moves of victim and aggressor in three hypothetical conflict situations

The expectancies of payoffs in the contingent serial interactive moves between victim and instigator, from the point of view of the victim, were measured for three hypothetical confrontations: someone pushes ahead of you in a movie line; a driver of a car takes a parking space you felt was yours; or you are the object of a rape attempt. These situations differ in urgency, and in the likelihood of success if there is resistance to the instigator. Expectations of persons were elicited as to their response to the particular aggressive act, the counter-response then expected of the instigator of the attack, and the subsequent contingent responses of each of the two persons, victim and instigator, until one or the other withdrew. The results show, in general, different payoffs at each interactive point over the ongoing serial stages in a situation, rather than an overall generalized contingency expectation, with these being different for self and the symbolized other, and also different for the three situations. Personality and sex-role measures showed minimal relation to the expectancies, and then not at the opening of the conflict, and for the instigator's rather than for the victim's expected responses.     

What is anger provoking? A psychophysical study of perceived causes of anger

From a pool of nearly 900 situations, anonymously described by young people from prepuberty to adolescence as anger provoking, 60 situations were randomly drawn. Twelve advanced students of psychology independently rated the similarity between each possible pair of situations with respect to the perceived cause of anger. The resultant averaged similarity matrix was subjected to factor analysis, and ten factors were deemed an optimal solution, both psychologically and statistically. The factor structure is described and discussed, and other findings of situational dimensions, not made explicit by the factor analysis, are also discussed.     

Effects of early exposure to mating on adult sexual behavior in male mice varying in their genetic disposition for aggressive behavior

This study examined whether the sexual behavior of adult male mice is influenced by exposure in early postnatal life to brief episodes of mating. Another focus of interest was the interplay between a genetic disposition for aggressive behavior and the early exposure experiences. The subjects used in the study were male mice of the fiftysixth generation of selection for high (Turku aggressive, TA) and low (Turku non-aggressive, TNA) levels of aggressiveness. Moderately aggressive males of the parental strain (normal, N) were also used. Subjects of each strain were exposed from 21 to 32 days of age to mating mice behind a wire mesh screen. Control subjects were placed in a comparable enclosure, but were exposed to nothing. The results showed that male mice exposed to mating early in life showed a higher rate of activities in the sexuality tests, including aggressive responses. A genetic potential for aggressive behavior was related to a higher degree of sexual activity, and the early exposures optimized the hereditary attributes. The relation between sexual and aggressive behavior is discussed. © 1994 Wiley-Liss, Inc.     

Aggression in domesticated rats reared in a burrow-digging environment

Male and female rats were raised individually in either large boxes filled with soil (burrow environment) or laboratory cages of comparable size (cage environment). In a test of intruder-elicited aggression, intruders exposed to burrow-environment residents lost more body weight, were more likely to have empty stomachs, and received more wounds during a 24 hour aggression test. The results indicate that the physical environment during the period from weaning to maturity is an important determinant of aggression intensity in adult rats.     

Enhancement of food aversion by exposure to a poisoned conspecific in Norway rats (Rattus norvegicus)

Two experiments were conducted to determine whether exposure to a poisoned conspecific enhances prior food aversion in rats. In Experiment 1, subjects were serially exposed to two foods, cocoa‐flavored and cinnamon‐flavored ones, and were then poisoned 1 h later. On the next day, they were exposed to a poisoned conspecific that had eaten a cocoa‐flavored food. On the subsequent choice test, subjects had an enhanced aversion to cocoa‐flavored food. The result was replicated in Experiment 2, in which a cinnamon‐flavored food was assigned as a target. The results are discussed in relation to previous findings.     

The Relation Between Familial Factors and the Future Orientation of Urban, African American Sixth Graders

This study examined the relations between familial and environmental factors and five dimensions of future orientation in a sample of urban, African American early adolescents from low-income families. A new multidimensional interview measure, the Future Orientation Interview, was designed for this study to expand on available measures. Hierarchical multiple regression was used to examine the unique contribution of each familial and environmental factor to each dimension of future orientation. The independent variables significantly predicted three of the five dimensions of future orientation: salience, detail, and control beliefs. The pattern of significance varied for each dimension of future orientation, with mother involvement, kinship social support, and socialization of future orientation emerging as important predictors of various dimensions of future orientation. Results are discussed in terms of theoretical issues related to future orientation and implications for intervention.