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671.
Rats’ rates of leverpressing for low-concentration liquid-sucrose reinforcers in the first half of an experimental session increase when food pellet, rather than sucrose, reinforcers will be available in the second half. Experiment 1 determined that this induction effect was the outcome of food pellet reinforcement’s increasing response rates, not of continued sucrose reinforcement’s decreasing them. Experiments 2 and 3 showed that induction was primarily controlled by the conditions of reinforcement in the current session, not by those in the previous one. Experiment 4 showed little evidence that the induction was the outcome of Pavlovian processes. These results suggest that induction may occur because of processes operating at the level of the entire session. They also provide a link to a seemingly related area of study: contrast effects. Some of the results are consistent with what is known about contrast effects, but there are also several, yet unexplained differences.  相似文献   
672.
Editorial     
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673.
This study examined and compared the legal inputs, structural settings and implementation process of lifelong learning policy in Thailand and Japan focusing on street-level agents. The findings demonstrated that while both countries had legal frameworks that provided a legislative platform to promote lifelong learning among the elderly based on a bottom-up implementation of policies, three major differences existed that equated with different outcomes of lifelong learning among the elderly in both countries. First, the promotion of lifelong learning for the elderly in Thailand mirrored complex administrative structures of several host organizations and multiple legal frameworks; whilst Japan’s lifelong learning policy had been promoted based on the Social Education Act under a single ministry. Second, while Thailand based its policy implementation on government agents at the regional and local level in policy delivery, Japan developed a community-based multilayered platform that promoted the policy with active involvement from various local players. Finally, lifelong learning policy for the elderly in Thailand reflected the personal initiatives of policy promotion by government agents at the local level; whereas, lifelong learning policy for the elderly in Japan was pursued based on the interests of the elderly and the community in which they lived.  相似文献   
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676.
University students often report high stress levels, and studies even suggest a recent increase. However, there is a lack of theoretically based research on the structural conditions that influence students’ perceived stress. The current study compared the effects of Karasek’s demand–control dimensions with the influence of neuroticism to address environmental and individual characteristics related to stress. Two points of measurement were included: T1 in the middle of the term and T2 during the examination period. Participants were 146 psychology students at two German universities (Mage = 22.6 years). We applied an adapted version of Karasek’s Job Content Questionnaire, a self-developed stress scale, and the 21-item Big-Five-Inventory. At T1, both neuroticism and demands significantly predicted stress (total adjusted  = .40), although relative weights analyses indicated that the contribution of demands was more pronounced (relative importance: 63%). Longitudinally, controlling for stress at T1, the demand–control dimensions explained additional variance in the increased stress level at T2, whereas neuroticism did not contribute additionally ( = .52). Results indicate that self-reports on stress among university students are not only a reflection of underlying negative affectivity. We conclude that perceived stress can be explained by structural conditions rather than personality, providing opportunities to reduce stress among students.  相似文献   
677.
Quality of family child care in four Midwestern states was examined using four measures designed to assess structural and/or process quality to determine if dimensions converge or vary across types of family child care (licensed and license-exempt/registered) and subsidy receipt (programs serving children whose care is paid by subsidies and programs not serving subsidized children). Two instruments designed specifically for use with family child care that measure both structural and process quality were used (Family Day Care Rating Scale and Quality Instrument for Informal Child Care), as well as one instrument measuring process quality (Caregiver Interaction Scale) and one instrument measuring structural quality (Midwest Child Care Assets Index). The two instruments designed to measure both structural and process quality in family child care were highly correlated with each other, while both of these were moderately correlated with the measure of process quality. The measure of structural quality was not significantly correlated with the measure of process quality. Licensed family child care homes scored higher than license-exempt/registered family child care homes on three of the four measures (all but the Caregiver Interaction Scale), and family child care homes receiving child care subsidies scored lower than those not receiving subsidies on three of the four measures (all but the Assets Index).  相似文献   
678.
A key insight from studies of gender segregation is that the allocation of different groups to different positions in the labour market is strongly related to ascribed status. Shared gendered cultural beliefs generally portray men as more competent and of a higher status than women, and position some workers as more suited than others to perform different types of work and tasks. Yet, although much work has been done on status and gender segregation, this research tends to overlook the intersections of gender, race, and ethnicity. This study contributes to the literature by examining how skills and competence are valued in traditionally gender- segregated professions that have seen an increased influx of immigrants and ethnic minorities. Drawing on 66 qualitative interviews with Norwegian students, the study analyses, first, how gender, racial, and ethnic stereotyping of tasks and competencies affect the students’ aspirations in transition from education to work, and second, how the intersection between race, ethnicity, and gender plays out quite differently in different professions. Theoretically, I develop the concept of ‘professional self-socialisation’, which points to the process whereby individuals adapt and redefine their aspirations to the gendered, ethnic, and racial hierarchy of suitability within their profession.  相似文献   
679.

The present study examined changes in high school biology and technology education pedagogy during the first year of a three-year professional development (PD) program using the INSPIRES educative curriculum. The Next Generation Science Standards (NGSS) calls for the integration of science and engineering through inquiry-based pedagogy that shifts the burden of thinking from the teacher to the student. This call is especially challenging for teachers untrained in inquiry teaching and engineering or science concepts. The INSPIRES educative curriculum materials and PD provided a mechanism for teachers to transform their teaching to meet the NGSS challenges. This study followed a longitudinal triangulation mixed methods design. Selected lessons were video recorded, scored on the Reformed Teaching Observation Protocol (RTOP) rubric, and examined for qualitative trends. Year 1 results indicated that teachers had begun to transform their teaching and pointed to particular lessons within the INSPIRES curriculum that most facilitated the reform. Instructional practices of participants improved significantly as a result of the INSPIRES PD program and also aligned with previous, similar studies. These findings provide insights for rethinking the structure of professional development, particularly in the integrated use of an educative curriculum aligned with intended professional development goals.

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680.
Julia Hirst 《Sex education》2013,13(4):423-436
Pleasure as a component of sexualities and relationships education (SRE) has been subject to much recent discussion. Arguably, academic debate has been more prominent than practitioner perspectives, with theoretical articulations and critique superseding pragmatic attention to integrating pleasure into learning about sexualities and relationships. Though there are exceptions, sexuality education that recognises pleasure and desire for young people remains absent in many contexts, despite calls for its inclusion for more than two decades. This paper offers a synthesis of expert opinion to outline the importance of pleasure and positive SRE to sexual health, rights, equality and safeguarding against coercion and harm. The paper acknowledges the often uneasy associations between sexuality, education and youth by identifying key political and academic debates, before offering a rationale on ways forward that may help persuade curriculum gatekeepers of its merits. Analysis focuses mainly on young women with reflections on current knowledge and the need for more empirically based research and theorising on boys and men. Policy developments relate to the UK, though issues raised have direct relevance for contexts where SRE is similarly contested.  相似文献   
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