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121.
Perceptions that may affect teachers’ intention to use technology in secondary mathematics classes 总被引:1,自引:0,他引:1
Technology is available and accessible in many mathematics classrooms. Adopting technology to support teaching and learning
requires teachers to change their teaching practices. This paper reports the responses of a diverse cohort of 92 secondary
mathematics teachers who chose to respond to an Australian state-wide survey (Mathematics with Technology Perceptions Survey)
developed using a Theory of Planned Behaviour framework. The items discussed in this paper targeted mathematics teachers’
perceptions of possible barriers and enablers to their intention to use technology in their teaching. The responses are varied
but, overall, strength of agreement with enablers outweighed agreement with perceived barriers. However, it is clear that
despite an overall positive attitude towards the use of technology for teaching mathematics, some perceived barriers to change
are notable. It is, therefore, helpful if those responsible for professional development, promoting the use of technology,
recognise and address these barriers as well as working to strengthening enablers. 相似文献
122.
Lynda Graham 《Literacy》2009,43(2):107-114
In this article I explore one day in the life of a primary classroom in which teacher and children are playful social insiders in digital worlds. I argue that this snapshot offers glimmers of unimagined ways forward in teaching in digital worlds. The classroom culture is one of challenge, collective intelligence and reflection. The teacher's own history of participation is significant. She is a reflective teacher educator, children's literature is central to her teaching and her journey into digital worlds is playful social. 相似文献
123.
124.
The present experiment used a transfer-of-training procedure in rabbit nictitating membrane response (NMR) conditioning to determine whether a retention interval and/or extinction could reduce associative strength. The experimental design required that groups receive 0, 3, 15, 45, 150, or 240 CS-US pairings in Stage 1. Next, the groups were given, in succession, a 10-day retention interval and 480 CS-alone trials. In Stage 2, all groups obtained 240 CS-US pairings for NMR conditioning. Another group was also employed and received only the 240 CS-US pairings in Stage 2. The results indicated that 15 to 240 CS-US pairings in Stage 1 substantially enhanced NM CR performance in Stage 2 despite the interpolation of the retention interval and CS-alone trials. When 3 CS-US pairings had been given in Stage 1, no augmentation in the NM CR performance rate occurred in Stage 2. However, the 3 CS-US pairings were effective in prohibiting the 480 CS-alone trials from retarding subsequent NM CR performance. Without any pairings in Stage 1, the 480 CS-alone trials produced strong latent inhibition of NMR conditioning in Stage 2. The data were used to support the theoretical view that associative strength resulting from CS-US pairings is relatively permanent. Moreover, the findings were relevant for an evaluation of Pearce and Hall’s (1980) recent statements concerning CS associability and the relationship between excitatory and inhibitory processes. 相似文献
125.
This study summarizes the results of a survey administered to 48 elementary schools in the largest school district in a southeastern U.S. state, conducted by university faculty to evaluate the use of SMART Boards and handson experiences, the objectives of which were to identify preparedness of elementary classroom teachers in teaching elementary Science, in using SMART Boards and in using manipulatives for teaching in the elementary Science classroom, as well as to identify frequency with which elementary classroom teachers use SMART Boards and/or manipulatives and reasons for using or not using SMART Boards and/ or manipulatives in the elementary Science classroom. Results of the survey will be used to address areas of needed improvement among pre-service teachers, to identify areas in which early career teachers need additional training or information and how best to improve the quality and training of the Elementary Science component of the education degree. 相似文献
126.
Collaborative information retrieval involves retrieval settings in which a group of users collaborates to satisfy the same underlying need. One core issue of collaborative IR models involves either supporting collaboration with adapted tools or developing IR models for a multiple-user context and providing a ranked list of documents adapted for each collaborator. In this paper, we introduce the first document-ranking model supporting collaboration between two users characterized by roles relying on different domain expertise levels. Specifically, we propose a two-step ranking model: we first compute a document-relevance score, taking into consideration domain expertise-based roles. We introduce specificity and novelty factors into language-model smoothing, and then we assign, via an Expectation–Maximization algorithm, documents to the best-suited collaborator. Our experiments employ a simulation-based framework of collaborative information retrieval and show the significant effectiveness of our model at different search levels. 相似文献
127.
Lynda L. Jenkins 《Cultural Studies of Science Education》2011,6(2):501-508
I respond to Pike and Dunne by exploring the utilization of citizen science in science education. Their results indicate that
students fail to pursue science beyond the secondary level, in part, because of prior educational experiences with science
education. Students lack motivation to pursue degrees and careers in science because they feel science is not relevant to
their lives or they are simply not good at science. With this understanding, the science education community now needs to
move beyond a discussion of the problem and move forward with continued discourse on possible solutions. Science educators
need to focus on developing connections between students’ everyday lives and science so that they will have tangible reasons
for continuing with the lifelong learning of science. In this response, I will show that citizen science as an educational
context holds much promise, respectively. Participation in citizen science projects moves scientific content from the abstract
to the tangible involving students in hands-on, active learning. In addition, if civic projects are centered within their
own communities, then the science becomes relevant to their lives because it is focused on topics in their own backyards. 相似文献