The alienation response of children abused in out-of-home placement

THIS BRIEF COMMUNICATION addresses program abuse in out-of-home placement which deepens what we identify as the alienation response in the already alienated child. Alienation is defined as a state of feeling separate, apart, not being able to relate effectively with another, not belonging, and with impaired ability to connect the inside world of feelings with the outside environment. Program abuse is seen as any act or condition permitted in a program that further alienates a child. In evaluating a child's degree of alienation and developing creative methods to reach the most severely “child alone,” the use of the Alienation Chart in Figure 1, has been helpful to our staff.     

Pheromone synthesis in a biomicroreactor coated with anti-adsorption polyelectrolyte multilayer

To prepare a biosynthetic module in an infochemical communication project, we designed a silicon/glass microreactor with anti-adsorption polyelectrolyte multilayer coating and immobilized alcohol acetyl transferase (atf), one of the key biosynthetic enzymes of the pheromone of Spodoptera littoralis, on agarose beads inside. The system reproduces the last step of the biosynthesis in which the precursor diene alcohol (Z,E)-9,11-tetradecadienol is transformed into the major component (Z,E)-9,11-tetradecadienyl acetate. The scope of this study was to analyze and implement a multilayer, anti-adsorption coating based on layer-by-layer deposition of polyethylenimine/dextransulfate sodium salt (PEI/DSS). The multilayers were composed of two PEI with molecular weights 750 and 1.2 kDa at pH 9.2 or 6.0. Growth, morphology, and stability of the layers were analyzed by ellipsometry and atomic force microscopy (AFM). The anti-adsorption functionality of the multilayer inside the microreactor was validated. The activity of His(6)-(atf) was measured by gas chromatography coupled to mass spectrometer (GC-MS).     

Theory of Mind Predicts Emotion Knowledge Development in Head Start Children

Research Findings: Emotion knowledge (EK) enables children to identify emotions in themselves and others, and its development facilitates emotion recognition in complex social situations. Sociocognitive processes, such as theory of mind (ToM), may contribute to developing EK by helping children realize the inherent variability associated with emotion expression across individuals and situations. The present study explored how ToM, particularly false belief understanding, in preschool predicts children's developing EK in kindergarten. Participants were 60 Head Start children ages 3 to 5 years. ToM and EK measures were obtained from standardized child tasks. ToM scores were positively related to performance on an EK task in kindergarten after we controlled for preschool levels of EK and verbal ability. Exploratory analyses provided preliminary evidence that ToM serves as an indirect effect between verbal ability and EK. Practice or Policy: Early intervention programs may benefit from including lessons on ToM to help promote socioemotional learning, specifically EK. This consideration may be most fruitful when the targeted population is at risk.     

Racial similarity as a moderator variable in the perception of leader behavior and control

This study compared leader behavior ratings of black and white Army infantry squad members serving in squads led either by black or white leaders. One black and one white squad member, chosen at random from each of 34 racially mixed squads, rated their leader's Consideration and Initiation of Structure behaviors (Stogdill, 1963), and their leader's behavior relevant to French and Raven's (1959) five bases of social power. In general, it was found that members who were of the same race as their leader rated him as significantly less likely to use punishment-related behaviors than did members who were of a different race than their leader. However, same-race members did not rate their leader's considerate or structuring behavior differently than did different-race members. The overall pattern of findings were discussed in terms of the leaders' implicit reliance on their punishment power to obtain compliance from different-race subordinates.     

The impact of computer-mediated interaction on distance learning

Distance‐learning courses were classified with regard to their use of computer‐mediated interaction and the degree to which such interaction was integrated into the curriculum and the assessment regime. This produced four groups of courses varying according to their use of interaction and integration. The impact of interaction and integration was investigated in terms of their effects on students' performance, their perceptions of academic quality and their approaches to studying. In all three respects, variations within the groups of courses proved to be more important than variations between the groups. Interpretation of these results suggests that the adoption of interactive environments within computer‐mediated learning may not be enough in itself to lead to positive learning outcomes. We found no evidence for this assumption in terms of students' completion rates, pass rates, grades, perceptions of the quality of their courses or approaches to studying. Large variations in the measured indicators were found between courses, and these appeared to be largely independent of the effects of interaction and integration. Courses may differ markedly with regard to how they make use of computer‐mediated interaction and how this is integrated into the curriculum and the assessment regime. A case study approach is suggested as being more likely to identify the impact of specific designs based on computer‐mediated interaction and to bring together the diverse student responses arising from the use of such interaction in their studies.     

Effective Action by Infants to Contact Objects by Reaching and Leaning

The ability of infants aged 8–12 months to coordinate their arm and trunk movements to contact an object located in different positions was investigated in 2 experiments. In the first, 8- and 10-month-old infants reached for near objects but both reached and leaned for more distant ones indicating that they perceived that forward leaning extends the range of contact beyond that of reaching alone. In addition, arm and trunk movements were initiated simultaneously; visual information concerning object distance was sufficient to activate an integrated reaching-and-leaning response. Object distances were increased and a mechanical aid was provided on half the trials in the second experiment with 10- and 12-month-old infants. For both age groups the degree of leaning was reduced for objects that were out of reach without the aid. Only older infants were able to use the aid to extend partially their range of contact. Overall the results support the conclusions that, by at least 8 months, infants perceive that leaning extends their effective reaching space; by 10 months they perceive the limits within which reaching together with leaning is likely to be effective; and by 12 months they begin to perceive how this space may be extended by a mechanical aid.