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241.
A. M. Lucas‡ Paulette McManus Gillian Thomas 《International Journal of Science Education》2013,35(4):341-352
The knowledge that pupils bring to science lessons can come from many sources, including some that are deliberately educative and some that contain scientific information, although education is not necessarily their primary purpose. Museums provide a useful setting to investigate the process of learning from informal sources; samples of data obtained from listening to groups of people as they interact with different types of exhibit in the British Museum (Natural History), and from systematic observation of pupils investigating phenomena in the Discovery Room at the Parc de la Villette, illustrate the information that can be obtained. 相似文献
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This article will examine the roles and involvement of support staff in the primary school. It will consider rationales for training and identify the benefits that accrue following this investment. It will highlight the training needs of support staff, identify implications for schools and discuss the constraints that schools may face with this process. 相似文献
243.
This study examined differences in physical activity (PA) estimates provided from raw and counts processing methods. One hundred and sixty-five children (87 girls) wore a hip-mounted ActiGraph GT3X+ accelerometer for 7 days. Data were available for 129 participants. Time in moderate PA (MPA), vigorous PA (VPA) and moderate-vigorous PA (MVPA) were calculated using R-package GGIR and ActiLife. Participants meeting the wear time criteria for both processing methods were included in the analysis. Time spent in MPA (?21.4 min.d?1, 95%CI ?21 to ?20) and VPA (?36 min.d?1, 95%CI ?40 to ?33) from count data were higher (P < 0.001) than raw data. Time spent in MVPA between the two processing methods revealed significant differences (All P < 0.001). Bland-Altman plots suggest that the mean bias for time spent in MPA, VPA and MVPA were large when comparing raw and count methods. Equivalence tests showed that estimates from raw and count processing methods across all activity intensities lacked equivalence. Lack of equivalence and poor agreement between raw and count processing methods suggest the two approaches to estimate PA are not comparable. Further work to facilitate the comparison of findings between studies that process and report raw and count physical activity data may be necessary. 相似文献
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Background:This study examined the volume and patterns of physical activity(PA) and sedentary time(ST) across different segments of the week among boys and girls.Methods:A total of 188 children aged 7-12 years wore a wrist-mounted ActiGraph GT3 X+accelerometer for 7 days.Time spent in PA and ST was calculated using ActiLife software.The mean number of minutes of light PA,moderate PA,vigorous PA,moderate-to-vigorous PA(MVPA),and ST were calculated per weekday(before school,during school,and after school) and per weekend day(morning and afternoon-evening).Results:After school represented the greatest accumulation of ST compared with before school and during school segments.Boys engaged in225.4 min/day of ST(95% confidence interval(CI):216-235),and girls engaged in 222.2 min/day of ST(95%CI:213-231).During school,boys engaged in significantly more MVPA than girls(46.1 min/day(95%CI:44-48) vs.40.7 min/day(95%CI:39-43)).Across the whole weekday,boys participated in significantly more MVPA than girls(103.9 min/day(95%CI:99-109) vs.95.7 min/day(95%CI:90-101)).The weekend afternoon—evening segment represented the larger accumulation of ST,where boys were significantly more sedentary than girls(367.5 min/day(95%CI:353-382) vs.339.8 min/day(95%CI:325-355),respectively).Conclusion:Our findings suggest that children are highly sedentary and spend little of their time in school in MVPA,especially girls.Routine breaks in school elicit increases in light PA and MVPA.Future work should consider the use of more active breaks within school time to encourage PA and reduce ST. 相似文献
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Throughout the 1970s and 1980s, computers in science teaching were seen as a panacea for many problems plaguing the domain. While considerable research has been done to determine cognitive achievements of students who interact with computers during their science learning, more basic questions have not yet been addressed. This study was designed to investigate how computers and a modeling software contributed to students' interactions and learning in a physics course. The interpretations focused on the microworld as a tool that supported but also limited students' sense-making activities. First, the computer microworld contributed in significant ways to the maintenance and coordination of students' physics conversations. Second, the computer environment (a) was sometimes “unready to hand” so that students spent more time learning the software rather than physics, and (b) limited the interactions within groups. It was concluded that while computer environments have some potential as learning tools, they also limit interactions in significant ways, rendering them less than ideal for everyday classroom use. With the use of software … students can be provided with the necessary tools and experiences to practice the investigative skills used by scientists and mathematicians… [Students] can pursue specific topics of their own interest and deal with this information in sufficient depth to construe personal meaning to various concepts. (Barman, 1993, p. viii) In educational applications, user interface design has received little attention, despite the fact that the interface is particularly important for educational software… This concern goes much deeper than the nebulous concept most often represented by the buzz phrase, ‘user friendliness.’ (Jackson, Edwards, & Berger, 1993b, p. 414) © 1996 John Wiley & Sons, Inc. 相似文献
248.
Joanne Brownlee Barry Dart Gillian Boulton‐Lewis Andrea McCrindle 《Asia-Pacific Journal of Teacher Education》1998,26(2):107-120
Preservice teacher education students are likely to have acquired naive beliefs about learning and teaching, that need to be integrated with theoretically informed beliefs, if they are to function effectively in classrooms. This study explored the nature of such integration using a sample of Graduate Diploma in Education students engaged in an educational psychology subject which was designed to help students develop constructivist beliefs and approaches to learning. Investigation of students’ journal entries, written statements, and stimulated recall interviews related to videotaped practice teaching sessions, revealed that students were able to integrate prior beliefs with the theoretical content of the course, enabling them to describe, and in some cases, evidence informed conditional knowledge. 相似文献
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