Comparison of the reliability and validity of scores from two concept‐mapping techniques*     

Maria Araceli Ruiz‐Primo  Susan E. Schultz  Min Li  Richard J. Shavelson 《科学教学研究杂志》2001,38(2):260-278

This paper reports the results of a study that compared two concept‐mapping techniques, one high‐directed, “fill‐in‐the‐map,” and one low‐directed, “construct‐a‐map‐from‐scratch.” We examined whether: (1) skeleton map scores were sensitive to the sample of nodes or linking lines to be filled in; (2) the two types of skeleton maps were equivalent; and (3) the two mapping techniques provided similar information about students' connected understanding. Results indicated that fill‐in‐the‐map scores were not sensitive to the sample of concepts or linking lines to be filled in. Nevertheless, the fill‐in‐the‐nodes and fill‐in‐the‐lines techniques were not equivalent forms of fill‐in‐the‐map. Finally, high‐directed and low‐directed maps led to different interpretations about students' knowledge structure. Whereas scores obtained under the high‐directed technique indicated that students' performance was close to the maximum possible, the scores obtained with the low‐directed technique revealed that students' knowledge was incomplete compared to a criterion map. We concluded that the construct‐a‐map technique better reflected differences among students' knowledge structure. © 2001 John Wiley & Sons, Inc. J Res Sci Teach 38: 260–278, 2001  相似文献   

Models of academic governance during a period of nation-building: the Hebrew University in the 1920s–1960s     

Uri Cohen 《History of education》2016,45(5):602-620

This paper explores the development of the structures of university governance at the Hebrew University of Jerusalem between the 1920s and 1960s. The model that ultimately prevailed, a state-sponsored model of governance, dominated the higher education system in Israel until the early 2000s and was characterised by the dominance of academic faculty, a status that the government accorded to the faculty in exchange for their acceptance of the state’s normative vision for universities’ role in society. Two main governance models that were instituted at the HU are identified: (1) the Diaspora university, 1925–1950, a distinctive governance model that emerged in the pre-state period and was controlled by Jewish communities in the Diaspora, and (2) the state university, 1950s–2000s, which shifted the centre of gravity to the state. These models are further divided into sub-models and the processes described through which academic autonomy was institutionalised during a period of nation-building.  相似文献   

Metabolic impact of a soccer match on female players     

Gravina L  Ruiz F  Lekue JA  Irazusta J  Gil SM 《Journal of sports sciences》2011,29(12):1345-1352

The aim of this study was to examine the metabolic effect of a female soccer match in elite and sub-elite teams. Blood samples were taken (24 h before, immediately after and 18 h after official soccer matches) to determine haematological, electrolytic and hormonal variables, as well as the levels of cell damage and oxidative stress in 14 elite and 14 sub-elite players. Our results show increases in white blood cell count (P < 0.001) and the percentage of neutrophils (P < 0.001), and decreases in the percentage of lymphocytes (P < 0.05), eosinophils (P < 0.001), monocytes (P < 0.001) and basophils (P < 0.05) immediately post-match. Increases were also found in lactate dehydrogenase activity (P < 0.001), uric acid (P < 0.001), albumin (P < 0.001), total antioxidant status (P < 0.001) and free testosterone levels (P < 0.01). Creatine kinase activity significantly increased 18 h post-match (P < 0.01) and the concentrations of several ions, glucose and proteins were found to be altered immediately post-match. Overall, our results show that playing a soccer match exerts specific metabolic effects on female players, resulting in muscle damage, oxidative stress and biochemical and hormonal variations. On the basis of some interesting correlations, we also suggest that exercise-induced cell breakdown may enhance antioxidant capacity of the soccer players.  相似文献   

Developing an instrument to assess student readiness for online learning: a validation study     

Barbara J. Dray  Patrick R. Lowenthal  Melissa J. Miszkiewicz  Maria Araceli Ruiz‐Primo  Kelly Marczynski 《Distance Education》2011,32(1):29-47

Given the continued growth in online learning as well as reports of high attrition rates in it, understanding student readiness for online learning is necessary. Over the years several surveys have been developed to assess student readiness as a predictor of success in online programs; however, a review of the literature yielded limited results of their translation and criterion‐referenced validity. The researchers of this article sought to develop a more rigorous survey instrument for students to self‐assess readiness for online learning. The authors report on findings from a three‐phase study during which the instrument was developed, evaluated, and validated. Through the process of validation, the researchers systematically engaged in an iterative process to refine the instrument, which resulted in not only a more rigorous instrument but one that more clearly defines ready and situates it within the literature on learner characteristics, digital divide, and information and communications technology (ICT) engagement.  相似文献   

The Development of Multiple Domains of Child and Adolescent Self-Concept: A Cohort Sequential Longitudinal Design     

David A. Cole  Scott E. Maxwell  Joan M. Martin  Lachlan G. Peeke  A. D. Seroczynski  Jane M. Tram  Kit B. Hoffman  Mark D. Ruiz  Farrah Jacquez  & Tracy Maschman 《Child development》2001,72(6):1723-1746

The development of child and adolescent self-concept was examined as a function of the self-concept domain, social/developmental/educational transitions, and gender. In two overlapping age cohorts of public school students (Ns = 936 and 984), five dimensions of self-concept were evaluated every 6 months in a manner that spanned grades 3 through 11 (representing the elementary, middle, and high school years). Domains of self-concept included academic competence, physical appearance, behavioral conduct, social acceptance, and sports competence. Structural equation modeling addressed questions about the stability of individual differences over time. Multilevel modeling addressed questions about mean-level changes in self-concept over time. Significant effects emerged with regard to gender, age, dimension of self-concept, and educational transition.  相似文献   

Examination-type preferences of secondary school students and their teachers in the science disciplines     

Ben-Chaim  David  Zoller  Uri 《Instructional Science》1997,25(5):347-367

A specially developed questionnaire was used: Types of Preferred Examinations (TOPE) to assess examination-type preferences of secondary school students in the Science disciplines according to school type affiliate and gender.Structured interviews were employed to assess both the rationale of students towards these preferences as well as teacher awareness about the preferences – in contrast to their actual examination practice.Our findings suggest that (a) secondary school students prefer written, unlimited time examinations which, according to their perception, stress learning with understanding rather than mechanical rote learning, and in which the use of supporting material (open book exams) is permitted; and (b) secondary school Science teachers are aware of student examination-type preferences, yet they continue to use the traditional written, time-limited – class examination which is definitely not preferred (disliked) by their students.In view of the special emphasis in current science education research on students' development of higher-order cognitive skills (HOCS) and the need for consonance between the new curriculum goals and examination types used, it is proposed that provisions be made to facilitate teachers' compliance with students' examination-type preferences provided the latter are congruent with learning objectives and our educational aspirations.  相似文献   

Defining Computational Thinking for Mathematics and Science Classrooms     

David?WeintropEmail author  Elham?Beheshti  Michael?Horn  Kai?Orton  Kemi?Jona  Laura?Trouille  Uri?Wilensky

《Journal of Science Education and Technology》2016,25(1):127-147

Science and mathematics are becoming computational endeavors. This fact is reflected in the recently released Next Generation Science Standards and the decision to include “computational thinking” as a core scientific practice. With this addition, and the increased presence of computation in mathematics and scientific contexts, a new urgency has come to the challenge of defining computational thinking and providing a theoretical grounding for what form it should take in school science and mathematics classrooms. This paper presents a response to this challenge by proposing a definition of computational thinking for mathematics and science in the form of a taxonomy consisting of four main categories: data practices, modeling and simulation practices, computational problem solving practices, and systems thinking practices. In formulating this taxonomy, we draw on the existing computational thinking literature, interviews with mathematicians and scientists, and exemplary computational thinking instructional materials. This work was undertaken as part of a larger effort to infuse computational thinking into high school science and mathematics curricular materials. In this paper, we argue for the approach of embedding computational thinking in mathematics and science contexts, present the taxonomy, and discuss how we envision the taxonomy being used to bring current educational efforts in line with the increasingly computational nature of modern science and mathematics.  相似文献   

Higher and lower-order cognitive skills: The case of chemistry   总被引：2，自引：0，他引：2  

Professor Uri Zoller  Georgios Tsaparlis 《Research in Science Education》1997,27(1):117-130

A major driving force in the current effort to reform science education is the conviction that it is vital for our students to develop their higher-order cognitive skills capacity in order to function effectively in our modem, complex science and technology-based society. In line with this rationale, this study focuses on the use of examinations for studying student performance in chemistry examination on items that require higher-order cognitive skills (HOCS) or lower-order cognitive skills (LOCS). This usage of examinations is explored and demonstrated via “post-factum” data analysis of two case studies: the General Examination (in chemistry) and the Panhellenic Chemistry Competition administered natinally in Greece for secondary-school graduates in 1991. The main findings were: (a) students performed considerably lower on questions requiring HOCS than on those requiring LOCS; (b) performance on questions requiring HOCS may not correlate with that on questions requiring LOCS for which affective factors, LOCS-orientation in teaching and the extent of prior examination preparation may be responsible; and (c) examinations that contain intems of both types can be effectively used to identify HOCS- and LOCS- students within various contexts of chemistry teaching. Based on the above and previous related studies, the fostering of students' HOCS by appropriate teaching and assessment trategies is advocated.  相似文献   

Purposely Teaching for the Promotion of Higher-order Thinking Skills: A Case of Critical Thinking   总被引：1，自引：0，他引：1  

Barak Miri  Ben-Chaim David  Zoller Uri 《Research in Science Education》2007,37(4):353-369

This longitudinal case-study aimed at examining whether purposely teaching for the promotion of higher order thinking skills enhances students’ critical thinking (CT), within the framework of science education. Within a pre-, post-, and post–post experimental design, high school students, were divided into three research groups. The experimental group (n = 57) consisted of science students who were exposed to teaching strategies designed for enhancing higher order thinking skills. Two other groups: science (n = 41) and non-science majors (n = 79), were taught traditionally, and acted as control. By using critical thinking assessment instruments, we have found that the experimental group showed a statistically significant improvement on critical thinking skills components and disposition towards critical thinking subscales, such as truth-seeking, open-mindedness, self-confidence, and maturity, compared with the control groups. Our findings suggest that if teachers purposely and persistently practice higher order thinking strategies for example, dealing in class with real-world problems, encouraging open-ended class discussions, and fostering inquiry-oriented experiments, there is a good chance for a consequent development of critical thinking capabilities.  相似文献   

Music Education at Hospital Schools in Spain and Sweden: Paths Between Governing and Knowledge     

Guillermo Ruiz  Antonio García Álvarez 《欧洲教育》2016,48(4):258-273

This paper focuses on some debates regarding music education within hospital schooling, an educational track that has developed in the course of the 20th century within Western education systems. Analysis and proposals are made with respect to the music education curriculum content in primary education, within hospital education tracks, in Spain and Sweden. In order to critically approach the changing definition of what is considered significant knowledge, we discuss how music education curriculum content is included in hospital schools located in the capitals Madrid and Stockholm.  相似文献