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51.
The study reexamines the effect of delayed reinforcement upon contingency behavior in 6- to 8-month-old infants and attempts to account for the temporal discrepancy between span of integration and contingency memory. A modified delayed-reinforcement scheduling procedure enabled a previous methodological criticism to be discounted. The findings confirmed that whereas infants revealed reliable acquisition under immediate reinforcement, a 3-sec delay (whether reset or nonreset) precluded response acquisition, as did 6-sec and 10-sec delay of reinforcement. The findings are interpreted in terms of an informational-load hypothesis which relates short-term memory to the integration and/or segregation of multimodal input. 相似文献
52.
A stream of debate (including a previous special issue of this journal (25(1) 2014)) has made claims not just for ‘bringing knowledge back in’ as the framing underpinning of the school curriculum, but that subjects associated with disciplinary and disciplined knowledge forms have a particular power and that these characteristics are important to preserve in curriculum frameworks. This paper draws on a major Australian research project studying school and university physics in the context of these arguments to revisit the issue of the ‘discipline’ of physics and the curriculum logics for physics. Given that disciplines are social in origin and changing and expanding over time, can school curriculum be logically derived from the discipline to which they relate? Are questions about student engagement only questions about pedagogy and not curriculum? Does a focus on disciplinary knowledge mean that the role of school in forming identities and values is avoidable as a significant feature of what the curriculum does? The findings from the project are used both to illustrate and test these questions, and to challenge some over-simple assumptions about the verticality of this form of knowledge for education purposes. 相似文献