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21.
In two experiments we examined how children's nonword pronunciations are influenced by learning words. In Experiment 1, children pronounced nonwords before and after learning words sharing orthographic rimes with the nonwords. These rimes varied in spelling-to-sound consistency and regularity. Children's nonword pronunciations were more sensitive to consistency and regularity after instruction than before. Experiment 2 expanded upon Experiment 1 by modifying the instruction to highlight regularity and consistency in rime unit neighborhoods and by including both younger (M age = 7.6) and older (M age = 9.92) participants. After instruction, Experiment 2 participants demonstrated greater sensitivity to rime unit consistency and regularity than Experiment 1 participants. In both experiments, the children, especially the younger participants, made more adultlike pronunciations after instruction than before. We conclude that learning words varying in consistency and regularity increased the children's sensitivity to these properties.  相似文献   
22.
This case study describes the experiences of a Mexican American college student addressing difficulties with academic motivation and social adjustment to college. The authors present a counseling intervention that is ecologically focused and designed to help the student develop critical consciousness regarding ethnic and social class identity.  相似文献   
23.
This paper proposes an automatic approach that detects students’ learning styles in order to provide adaptive courses in Moodle. This approach is based on students’ responses to the ILS and the analysis of their interaction behavior within Moodle by applying a data mining technique. In conjunction to this, an adaptive mechanism that was implemented in Moodle is presented. This adaptive mechanism builds the user model based mainly on the proposed approach for automatic detection of learning styles in order to adapt the presentation and the proposed navigation to students’ different learning styles and educational objectives. An evaluation study was conducted to evaluate the proposed approach for automatic detection of learning styles and the effect of the adaptive mechanism. Two groups of students were formed, namely the experimental and the control. The first had access to a Moodle course that automatically detected their learning styles and exploited the adaptive mechanism, whilst the second had access to the standard version of a Moodle course. The results were promising since they indicated that our proposed approach for automatic detection of learning styles attained adequate precision compared to other works, even though the patterns considered are less complex. Additionally, the results indicated that the adaptive mechanism positively affected students’ motivation and performance.  相似文献   
24.
Antitryptic, antichymotryptic and alpha 2- macroglobulin activities were measured in sera of normal nonpregnant and normal pregnant women and women with tubal ectopic pregnancy and molar pregnancies in the first 5 to 7 weeks of pregnancy calculated from the last menstrual period. While alpha 2-macroglobulin decreased in early normal pregnancy compared to nonpregnant state (p<0.001), in ectopic and molar pregnancies there was an increase in alpha 2- macroglobulin activity (p < 0.001), as compared to nonpregnant and normal pregnant women. Antitryptic activity did not increase in normal and ectopic pregnancy, however was increased in molar pregnancy (p < 0.01). Antichymotryptic activities did not show a change either in normal pregnancy or in cases of ectopic and molar pregnancy. Drop in alpha 2- macroglobulin activity to near normal levels in ectopic, 6 weeks post surgery, correlated well with the decrease in β-hCG. However, in molar pregnancy, alpha 2- macroglobulin remained elevated even when the β-hCG levels in serum returned to zero 10 weeks after surgery. The studies suggest a major role for circulating proteinase inhibitors especially alpha 2-macroglobulin in regulating proteinase activity in normal, ectopic and molar pregnancy.  相似文献   
25.
This paper intends to determine whether the minority Tamil immigrant community in Kuching, Sarawak still maintains its heritage culture or has assimilated it with the dominant cultures in Sarawak. Are the Tamils in Kuching still maintaining their cultural norms? The data comes from a set of questionnaires investigating language, social and cultural identity, and unstructured interviews spanning three generations. The results show that, while some assimilation has occurred, the community has maintained its cultural identity. The most interesting revelation is the growing number of the younger generation who are adapting their heritage and cultural norms, clearly demonstrating Gibson’s accommodation and acculturation without assimilation.  相似文献   
26.
This article discusses a design studio teaching experience exploring the design process itself as a methodological tool. We consider the structure of important phases of the process that contain different levels of design thinking: conception, function and practical knowledge as well as the transitions from inception to construction. We show how this approach to the design process allows the possibility of addressing elusive issues that underlie the practice of design.  相似文献   
27.
This paper describes the development, validation, and uses of the Collaborative Computing Observation Instrument (C-COI), a web-based analysis instrument that classifies individual and/or collaborative behaviors of students during computing problem-solving (e.g. coding, programming). The C-COI analyzes data gathered through video and audio screen recording software that captures students’ computer screens as they program, and their conversations with their peers or adults. The instrument allows researchers to organize and quantify these data to track behavioral patterns that could be further analyzed for deeper understanding of persistence and/or collaborative interactions. The article provides a rationale for the C-COI including the development of a theoretical framework for measuring collaborative interactions in computer-mediated environments. This theoretical framework relied on the computer-supported collaborative learning literature related to adaptive help seeking, the joint problem-solving space in which collaborative computing occurs, and conversations related to outcomes and products of computational activities. Instrument development and validation also included ongoing advisory board feedback from experts in computer science, collaborative learning, and K-12 computing as well as classroom observations to test out the constructs in the C-COI. These processes resulted in an instrument with rigorous validation procedures and a high inter-rater reliability.  相似文献   
28.
Purpose: The aim of this study was to analyze the motivations of non-conventional innovation actors to engage in innovation processes, how their involvement changed the technology and their own social-professional status, and to analyze their role in the diffusion of the innovation.

Design/methodology/approach: We studied the innovation process of drip irrigation in Morocco. We interviewed 35 farmers in two villages, selected to represent a diversity of farms, and observed their drip irrigation systems. We interviewed several local artisans and traders, and intermediaries about their social-professional pathway, using a checklist to understand their motivations and their involvement with drip irrigation.

Findings: We showed how a variety of non-conventional actors became involved in drip irrigation, leading to the progressive creation of an active inter-related socio-technical network involved in the sales, manufacturing, fitting, and use of drip irrigation systems. This network challenged an imported technology promoted by irrigation companies that targeted large-scale farmers, and transformed it into drip irrigation systems adapted to a wide range of situations and farmers, including small-scale farmers. The involvement of these actors led to reciprocal changes in the technology and in the socio-professional status of the intermediaries, hence accelerating the diffusion of the innovation.

Practical implications: Understanding the motivations of non-conventional innovation actors helps comprehend the multiple pathways of innovation processes, and the socio-professional pathways of innovation actors. It is worth considering integrating these actors in state programs and other planned innovation processes, as they are near to field realities and to innovation users, and are able to adapt a technology to local requirements.

Originality/value: The results of this study contribute to the scientific debate about the mutually beneficial alliance of non-conventional actors and technical innovations.  相似文献   

29.
Students (N = 161) in seven sections of an undergraduate educational psychology course rated ten performance-assessment options in collegiate courses. They rated in-class essay exams as their most preferred assessment and multiple-choice exams (in-class and out-of-class) as their least preferred. Also, student ratings of multiple papers and a term paper did not differ significantly from the rating for in-class essay exams. Overall, students preferred constructed forms of assessment over more objective assessment. With minor exceptions, student ratings of assessment preferences were generally consistent across gender and academic levels. In the main, student ratings of assessment options did not significantly correlate with exam performance in the course.  相似文献   
30.
In Greece, the development of the teaching of Information Technology (IT) in schools has been greatly influenced by the rapid development of technology, making IT literacy a priority for all individuals. Consequently, the teaching of algorithms and programming, with the ulterior motive of teaching modeling as well as problem solving, has been greatly limited in Secondary Education. However, we strongly believe that algorithms and programming constitute an important intellectual tool and should be included in basic education. In any case, both the research literature findings, as well as, our own experience confirm the fact that novice programmers come up against many mental obstacles in their attempts to understand the functioning of programs or the construction of algorithms. In order to deal with these difficulties and successfully teach the elementary concepts of algorithms and programming, we have developed didactic scenarios, which are based on specially designed educational software. In conjunction with this, we are attempting to develop a program for the systematic training of those students who will become IT teachers in Secondary or Primary Education. The most significant findings of our research are summarized as follows: (a) The development of educational software and its experimental use in the teaching process allow us to formulate several general rules related to the specific didactic characteristics, which these environments should include. (b) Educational software is effective only when it is incorporated within the framework of the didactic scenarios that the teacher organizes and which are supported by the software. (c) Teachers do not spontaneously use educational software in the context of this rationale. Therefore, specific training is required so that they adopt and use such software in didactic scenarios.  相似文献   
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