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521.
Developmental transitions of complex systems may be studied by selecting (collective) variables that constrain the degrees of freedom for each developmental state. In a dynamical systems approach, the transitions from state to state are engendered through the scaling of contributing subsystems (control parameters). In this study, the locomotor skills of walking and running were compared in newly running infants by observing several likely collective variables including relative stance, estimated pathway of center of mass, and segmental/joint action. 4 children were filmed longitudinally at 5.5, 7.5, and 9.5 months of independent walking and then at 3 years of age. 3 trials per gait were selected for single stride analysis and compared with data from 4 adults. In general, the proposed collective variables showed transitional forms over the first few months of running, indicating a relatively continuous change between the 2 gait forms. Coordination of the knee joint was very similar between gaits and across age, but the ankle joint was less consistent for both gaits in the infants. Relative stance and stride length data indicated that the children could not generate vertical and horizontal displacement. These findings echo those found in newly walking infants and suggest that similar rate-limiting parameters are present for both gaits. 相似文献
522.
523.
The use of visual schedules and work systems to increase the on‐task behaviour of students on the autism spectrum in mainstream classrooms
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Libby Macdonald David Trembath Jill Ashburner Debra Costley Deb Keen 《Journal of Research in Special Educational Needs》2018,18(4):254-266
Apparent differences in executive function can lead to challenges for students on the autism spectrum in mainstream settings. Difficulties with staying on‐task and transitioning between tasks and task elements can interfere with students’ participation in educational activities and lead to stress and anxiety. While the use of visual supports, such as visual schedules and work systems, has been shown to be effective in supporting students to stay on‐task in special education and autism‐specific settings, there is little research to support the use of these strategies by teachers in mainstream classrooms. This study evaluated the use of visual schedules and work systems in supporting four students on the autism spectrum to stay on‐task and work independently in a mainstream setting. These strategies were implemented by teachers as inclusive practices, and evaluated using observations within the natural classroom environment to examine their feasibility in mainstream settings. All participants demonstrated improvements in on‐task behaviours. Results for other, secondary, dependent variables were mixed, with some students showing reduced off‐task behaviours and increased productivity. The implications for clinical practice and future research directions are discussed. 相似文献
524.
Although ample literature exists regarding the effectiveness of faculty development (FD) activities, there is a gap in the literature synthesizing its outcomes. This review, using a predetermined review protocol, analyzed 22 publications on FD for teacher educators using Kirkpatrick’s training evaluation taxonomy. We found that North American universities provide the most empirical evidence about FD activities, focusing on technology integration in teaching and pedagogical skill improvement. Formal programs, such as serial workshops and developmental relationship, were reported with high frequency, compared to self-directed learning and organizational development activities. Empirical research was heavily based on self-reported, qualitative data and emphasized individual-level outcomes. There is a lack of information regarding the impact of FD activities for teacher educators on subsequent student learning or the downstream effect on school systems. Similarly, institutional involvement in FD remains largely unexplored. We conclude with robust recommendations for research and practice. 相似文献
525.
Joel R. Levin Jill K. Berry 《Educational technology research and development : ETR & D》1980,28(3):177-185
It has been shown that pictures greatly facilitate children’s recall of story information, But will they have the same positive effect when the passages to be recalled are more directly educational? In these experiments, both single pictures illustrating the passage’s main idea and a group of pictures, one illustrating each sentence, helped fourth graders recall the illustrated content of newspaper articles. 相似文献
526.
Jill?AdlerEmail author Deborah?Ball Konrad?Krainer Fou-Lai?Lin Jarmila?Novotna 《Educational Studies in Mathematics》2005,60(3):359-381
This paper reports a survey of research in mathematics teacher education from 1999 to 2003 done by an international team of
five mathematics educators and researchers. The survey included published research in international mathematics education
journals, international handbooks of mathematics education and international mathematics education conference proceedings.
Some regional sources from various parts of the world were also included. We investigated who was writing, from and in what
settings, with what theoretical frameworks, and with what sorts of study designs for what core questions. We also examined
the range of findings and conclusions produced in these studies. Our analysis presented here focuses on four themes that stood
out from our initial investigation of almost 300 published papers, and systematically elaborated through a focused study of
a 160 papers across key journals and conference proceedings in the field. From this vantage point, the paper offers a reflection
on the current state of the field of mathematics teacher education research. Our aim is to stimulate discussion that can support
the development of the field, not make final pronouncements about its nature.
The research presented in this paper was done by five mathematics education researchers, the authors listed above, and presented
at ICME10 in Copenhagen in July 2004. This Survey Team (Survey Team 3) was nominated by the International Program Committee
for the Congress and asked to survey “Professional Development of Mathematics Teachers” and present this in a plenary at the
Congress. A copy of the presentation can be viewed at: http://www.wits.ac.za/jadler/presentations.html. An earlier version
of this paper will also appear in the ICME10 proceedings. 相似文献
527.
528.
This article reports a study of lower secondary mathematics classroom learning environment in Brunei Darussalam and its association
with students' satisfaction with learning mathematics among a sample of 1565 students from 81 classes in 15 government secondary
schools. Students' perceptions of the classroom learning environments were assessed with a version of the My Class Inventory
(MCI) that had been modified for the Brunei context. The study revealed a satisfactory factor structure for a refined three-scale
version of the MCI assessing cohesiveness, difficulty and competition. This finding is noteworthy because the factorial validity
of the MCI has not previously been established in past research in other countries. Also each scale displayed satisfactory
internal consistency reliability and discriminant validity and was able to differentiate between the perceptions of students
in different classes. A one-way MANOVA revealed that students generally perceived a positive learning environment in mathematics
classes. Also the study supported earlier research suggesting that boys and girls hold different perceptions of the same classroom
learning environments. Relationships between student satisfaction and classroom environment were investigated using simple
and multiple correlation analyses, using both the individual student and class mean as units of analysis. Associations between
satisfaction and the learning environment were statistically significant both at student and class levels for most MCI scales.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
529.
Theresa Catalano Jill Fox Saloshna Vandeyar 《Journal of Language, Identity & Education》2016,15(3):137-150
Much research is available that details student experiences of immigration and adaptation to receiving countries and schools, but few studies analyze the metaphors used by immigrant students (IS) when talking about the immigration experience, or offer a comparative lens through which to view identity negotiation in two very different contexts. The present paper aims to address these gaps by conducting a comparative linguistic analysis of 20 interviews conducted with IS at universities in South Africa and the United States in order to gain a greater understanding of immigration and the types of identity negotiation processes learners undergo in these very different countries. Findings reveal interesting similarities between metaphorical conceptions of immigration across different cultural contexts and a remarkable resilience in the use of adaptation strategies and identity development that leads to salient pedagogical implications for teachers of higher education who face increasingly international classrooms. 相似文献
530.
Anique B. H. de Bruin Ellen M. Kok Jill Lobbestael Andries de Grip 《Metacognition and Learning》2017,12(1):21-43
Being overconfident when estimating scores for an upcoming exam is a widespread phenomenon in higher education and presents threats to self-regulated learning and academic performance. The present study sought to investigate how overconfidence and poor monitoring accuracy vary over the length of a college course, and how an intervention consisting of (1) a monitoring exercise and (2) a monitoring and regulation strategy, improves students’ monitoring accuracy and academic performance. Moreover, we investigated how personality factors (i.e., grandiose and vulnerable narcissism, optimism) influence monitoring accuracy. We found that the Monitoring and Regulation Strategy positively influenced monitoring accuracy and exam scores, whereas the Monitoring Exercise that confronted students with their overconfidence protected students against overconfidence in the second exam score prediction but did not affect exam score. The results further revealed that exam score predictions lowered from the start to the end of the course for both poor and high performing students, but still leaving poor performers overconfident and high performers underconfident. Topic knowledge gained in the course did not wash out the Dunning Kruger effect, and results indicate that poor and high performers use different cues when predicting exam scores. Both grandiose and vulnerable narcissism contributed to overconfidence on exam score predictions but not on the Monitoring Exercise. These findings underline the potential of the Monitoring and Regulation Strategy intervention and ask for upscaling it to include measurements of self-regulated learning activities. 相似文献