Ontogeny of long-term,nonassociative memory in the rat     

Rick Richardson  Byron A. Campbell 《Learning & behavior》1991,19(1):1-10

The primary purpose of the present study was to assess the ontogeny of nonassociative learning and memory in 16-, 30-, and 75-day-old rats. In each of three experiments, habituation of the orienting response to a novel auditory stimulus was measured. The orienting response is an unconditioned reaction elicited by innocuous environmental stimulation that habituates with repeated stimulus presentations. Both an autonomic component (heart-rate deceleration) and a behavioral index (head jerk) of the orienting response were recorded in this study. Although no age differences in rate of habituation (i.e., rate of nonassociative learning) were found (see Experiment 1), a marked effect of age on retention of habituation was observed. Preweanling rats retained habituation of the orienting response to an auditory stimulus for less than 4 h (Experiment 2), whereas adult animals exhibited no forgetting even after a 1-week interval (Experiment 3). These results are discussed in terms of (1) demonstrations of age-related differences in associative memory, (2) the persistence of nonassociative memories in adults, and (3) the significance of the orienting response as a measure of retention of nonassociative learning.  相似文献   

A constructivist approach to secondary school science experiments     

Wayne Schulz  DR. Campbell McRobbie 《Research in Science Education》1994,24(1):295-303

The focus of this study was on the investigation of a laboratory instructional program on electricity designed for conceptual development using constructivist principles for conceptual change. This approach was compared with a traditional laboratory approach in a quasi-experimental design. The sample was 247 grade 10 students (boys) in a large non-government urban school. Covariance analysis with the corresponding pretest as covariate showed statistically and educationally significant gains for the experimental group on cognitive but not attitudinal outcomes when compared to the traditional group. Student and teacher interview data provide some evidence for the success of the experimental approach. Specializations: physics education, constructivist approaches to in practical work. Specializations: science teacher education, learning environments, conceptual change.  相似文献   

How are the Perceptions of Learning Networks Shaped Among School Professionals and Headteachers at an Early Stage in their Introduction?     

Mark O’Brien  Tünde Varga-Atkins  Diana Burton  Anne Campbell  Anne Qualter 《International Review of Education/Internationale Zeitschrift für Erziehungswissenschaft/Revue internationale l'éducation》2008,54(2):211-242

This paper draws on the findings of a research project funded by the Liverpool City of Learning consortium in the UK. The aim is to explore the process of introduction of ten authority wide learning networks, the impact these have on school professionals practice, the opportunities they offer for CPD and the extent to which they may impact on pupil learning. The research presented here draws on findings from a questionnaire distributed to school professionals and key issues emerging from their analysis point to the influence of national government agendas on school professionals’ interpretation of the purpose of the networks. They also point to the views of staff regarding the impact of the attainment agenda as well as the extent to which an increased emphasis on social inclusion and wider understandings of learning and achievement (which are less well represented by results-based performance monitoring) are having on their hopes for what Learning Networks might deliver. The expectations of staff of the opportunities offered by learning networks for long term professional development provide some interesting insights, and perhaps, some useful pointers as to how networks of this kind might develop in the future.  相似文献   

Perceptions of response-to-intervention practices: results from a cross-sectional survey of school-board directors and support service professionals     

Chantal Camden  Dana R. Anaby  Cheyenne Gauvin  Wenonah Campbell  Sheila Bennett  Jade Berbari  Lisa Rivard  Lina Ianni  Steven R. Shaw  GOLDS Research Team 《Support for Learning》2022,37(2):285-308

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IMDP: A management development program design that works     

Sam Campbell  Peter Krembs 《Performance Improvement》1978,17(8):11-12

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