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71.
Charles F. Flaherty Patricia S. Grigson Cynthia Coppotelli Colin Mitchell 《Learning & behavior》1996,24(1):68-81
Intake of a 0.15% saccharin solution was suppressed when it was followed by a 32% sucrose solution in brief daily pairings. With equal access durations to the two solutions, intervals of intermediate duration (2 or 3 min) produced a larger contrast than more extreme intervals (1 or 10 min). There was no evidence of inhibition of delay with the 10-min interval (Experiments 1A and 1B). When access times were asymmetrical, longer access time to the first solution reduced contrast, whereas longer access time to the second solution enhanced contrast (Experiment 2). Contrast was greater when the two solutions were presented at consistent and separate spatial locations than when location was changed randomly or when both solutions were presented in sequence at the same location. However, a degree of contrast occurred in all conditions (Experiment 3). Experiment 4, conducted with the solutions in opposite arms of a T-maze, showed that anticipatory approach to the location correlated with the 32% sucrose solution developed prior to lick suppression on the saccharin solution. However, within daily sessions, there was a reliable increase in contrast without correlated changes in anticipatory-approach behavior. Access-time effects were attributed to altered reward values, whereas spatial-separation effects suggest that goal-directed responses contribute to, but do not cause, anticipatory contrast. 相似文献
72.
This study used a within-subjects design to explore two instructional conditions for developing vocabulary in second-grade Spanish-speaking English learners (ELs)—extended instruction and embedded instruction implemented during shared interactive reading. Words assigned to the extended condition were directly taught using a multifaceted approach that included visuals, bilingual definitions, examples, spelling, and partner-talk about the words’ meaning. Words assigned to the embedded condition were taught solely through brief definitions to embedded text, writing activities, and songs. In the control condition students heard the target words read aloud during shared interactive reading but without definitions or direct instruction. The study also explored the interaction between instructional condition and word type. Four types of words—abstract cognates, abstract noncognates, concrete cognates, and concrete noncognates—were randomly assigned to each condition. Nine teachers in four schools and 187 second-grade ELs participated in this within-subjects intervention, which took place in transitional bilingual classrooms. Findings indicated that across all word types, both extended and embedded instruction were more effective than the control condition in helping ELs acquire vocabulary. Findings also indicated that extended instruction was more effective then embedded instruction for all word types except concrete cognates suggesting that these young Spanish-speaking ELs were advantaged by word knowledge in their home language. Finally, while embedded instruction was less effective than extended instruction, it was much more effective than a control condition. Embedded instruction takes significantly less preparation and instructional time than extended instruction, offering teachers a practical way to teach more vocabulary to ELs. 相似文献
73.
Sally Smith Colin Smith Ella Taylor-Smith Julia Fotheringham 《Journal of Further & Higher Education》2019,43(5):628-640
Students have expectations of their university education leading to graduate careers, with universities investing considerable resources in institution-wide initiatives designed to enhance opportunities for student work placements and work-related learning. However, there are large variations between courses and disciplines in student uptake of these opportunities, with limited evidence explaining why this might be the case. Recognising recent approaches which consider student identity in transitions, this study explored student attitudes to work-related learning across a range of subject disciplines. The first phase of the study used in-class surveys (N = 199) to focus on students’ self-identification and perceptions of employability initiatives. Follow-up interviews were conducted to further explore themes emerging in the survey data. The study found that, while some students drew on resources for identity work in their recognition of and approach to work-related learning, access was limited, and university resources were not always recognised or effective. The findings have implications for the design of effective graduate employability initiatives. 相似文献
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76.
Racialised Education in Singapore 总被引:2,自引:0,他引:2
Michael D. Barr 《Educational Research for Policy and Practice》2006,5(1):15-31
The Singapore education system plays a central role in the mythology of the young country’s nation building project. The education
system is portrayed as the cradle of Singapore’s multiracialism, fostering racial harmony and understanding. Yet this historical
study of primary school English textbooks from the 1970s to the present reveals that since the beginning of the 1980s they
have been systemically designed in such a way that they evoke high levels of racial consciousness, and at their worst have
displayed a pro-Chinese bias that has deprived non-Chinese children of inspiring role models. This study helps to explain
the results of recent sociological research that has cast doubt on the effectiveness of the Singapore education system as
an instrument for promoting racial harmony. 相似文献
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78.
Gilbert de Landsheere Marten Groen John Biggs John F. Willatt David Thomas Clare Burstall Robin Russell J. R. Barr Gerhard Pause Donald E. Super John B. Biggs Alan C. Purves Klaus Schleicher Herbert A. Thelen Neville Postlethwaite Börje Holmberg Kenneth Austwick Sven Hilding A Group of Scottish Physics Teachers 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》1967,13(1):90-123
79.
In this paper we consider the problems associated with the evaluation of Teaching Company Programmes. These programmes involve Universities and Colleges, together with manufacturing companies, in efforts to improve manufacturing methods and to develop graduates for careers in manufacturing industry. We introduce a framework for the evaluation of these programmes and apply it to one in which the authors have been involved. The paper reports a number of results from the Teaching Company Programme involving Molins Ltd., Brunel University and Henley, the Management College. 相似文献
80.