In South Africa, Physical Sciences educators play a crucial role in contributing to equal life chances for Physical Sciences learners. This is because they have the opportunity to employ functional language features for increasing access to scientific literacy - a goal of the Physical Sciences National Curriculum Statement. However, no studies were found in the literature which explicitly explored this aspect of a Physical Sciences educator's pedagogical content knowledge in the South African context. This study employs the sociocultural view of science as a language and the complementary theoretical framework of systemic functional linguistics to explore the nature of the utterances of three Pietermaritzburg Physical Sciences educators during Physical Sciences lessons. The focus is on the functional language features of nominalisation, lexical density, functional recasting, and lexical cohesion in terms of repetition and cohesive harmony index. Using a multi-case study methodology, pragmatic paradigm and mixed-methods approach, this study provides a sophisticated description of the utterances of Physical Sciences educators in language contexts characterised by varying proportions of English Second Language to total number of learners. The results reveal that lexical cohesion, measured by the cohesive harmony index and proportion of repeated content words relative to total words, increased with an increasing proportion of English Second Language to total number of learners. Nominalisation and lexical density did not decrease with an increasing proportion of English Second Language to total number of learners. The functional recasting results provide insight into numerous types of functional recasting available to Physical Sciences educators. In addition, a model is proposed regarding how the outcomes to which the functional recasting types contribute, impact on movement towards the everyday or scientific registers of English. Furthermore, each individual Physical Sciences educator had a „signature‟ talk, unrelated to the language context in which they taught. This study has significant implications for the development of pedagogical content knowledge in pre-service and in-service education and training of Physical Sciences educators. Training programmes need to place a greater emphasis on the functional use of language in order to empower Physical Sciences educators to adequately apprentice their learners into the use of the register of scientific English. / Thesis (M.Ed.)-University of KwaZulu-Natal, Pietermaritzburg, 2011.

The investigation conducted for this thesis endeavoured to determine to what extent a relationship exists between pre-service elementary school teacher enjoyment of participating in science laboratory activities in a university-level background science course and their understanding of the science involved in those activities. A student enjoyment score for two science laboratory activities was generated from survey data. A student understanding score was generated from responses to relevant questions on the final exam of the course. A step-wise logistic regression was then conducted on the student enjoyment and understanding scores. Within the scope of the investigation described in this thesis, the findings lead to the conclusion that enjoyment appears to be unrelated to understanding.

There is no abstract available for this dissertation.

The Scientific Attitude Inventory, TSAI, was developed in an attempt to measure the Scientific Attitude of elementary teachers. Form D, the form used with the study population, was developed through a refinement technique involving three pre-test forms, Forms A, B, and C.From an original pool of items, fifty-three items were selected to constitute Form A. Form A was constructed and administered to a pre-test population for the purpose of refinement of individual items from the item pool. On the basis of an item analysis of the responses by the pre-test population, several of the items were revised.The revised items from Form A, together with newly written items constituted Form B. Form B was administered to a second pre-test population for the purpose of refinement of individual items. Several items of Form B were revised on the basis of an item analysis.The set of items which resulted from the pre-testing of Forms A and B, revised as appropriate, were submitted to a panel of judges in order to establish a response key and content validity of the items for the purpose of measuring the Scientific Attitude.Those items which were judged to have content validity constituted Form C. Form C was administered to a third pretest population in order to identify the set of items to be used in Form D, the form used with the study population.The identification of the set of items from Form C to be used in Form D was accomplished through a series of reductions in the number of items in Form C. On the basis of an item analysis, the items with the lowest item validity indices were removed from the instrument. The resultant version was scored and an item analysis made unisg the new instrument as the criterion measure. This procedure was repeated until diminishing returns were noticed in the split-halves reliability. The 45 items of Form C which produced the highest split-halves reliability were used in Form D and constituted Version 45 C.Inspection of the 45 items of Form C which were used in Form D revealed that with but one exception, the items which produced the highest item validity indices were items keyed "disagree." Therefore, in the construction of Form D, 25 additional items were uted keyed "agree" in order to achieve an apparent balance in the response key.A 70 item instrument, Form d, was administered to the study population of 224 elementary teachers in graduate study at the masters level in the Elementary Education Department of Ball State University, Muncie, Indiana, during the Summer of 1969. The administration of Form D provided data and Norms of Performance for Form D, Version 45 C. This version of TSAI yielded a split-halves reliability of 0.72 with the study population.The complete 70 item instrument was also scored and analysed. Further, a series of reductions in the number of items, refining the form as an internal criterion measure of validity, was effected in the same manner as was used with Form C. Diminishing returns in split-halves reliability was seen beyond the 45 item set, identified as Form D, Version 45. This version yielded a split-halves reliability of 0.80. Version 65 of Form D, and each subsequent version in the reduction series yielded split-halves reliabilities equal to, or exceeding, 0.70, the minimum level of reliability specified in the design of the study. Norms of performance were compiled from the administration of Form D to the study population for each of the versions which yielded a reliability equal to, or greater than, 0.70.

The primary goal of this research project was to produce and test individually paced curricular materials designed to develop basic science process skill competency in preservice elementary school teachers. The four basic science process skills of observing, measuring, classifying, and predicting were identified for the study. Evidence accumulated through three approaches substantiated preservice teachers' needs for further development of these four process skills. The need for science process skill study was based upon recommendations of The American Association for the Advancement of Science, upon the results of a science process measure for teachers administered to a population of preservice elementary school teachers, and upon nine years of personal observation by the researcher in his capacity as a public school science supervisor.In developing the project a sequence of performance steps was established, taking into consideration current trends in elementary science education, individualization of instruction, and educational accountability. This systems model embodied the development of specifically stated performance objectives for each process skill identified for the study. Eight prototype process skills tests were constructed consisting of a pre/post-test for each of the four process skill areas. The tests were validated by expert opinion. Four individualized learning guides, one for each process skill area, were created to be used with preservice elementary school teachers inelementary science methods courses. An instructors' guide was developed to accompany the student materials. The format for each student guide included a rationale, performance objectives, and a sequence of activities designed to facilitate the attainment of the objectives. A different content carrier was selected to be used in developing each of the four process skill areas. Selected content from the Elementary Science Study program was used in the development of the observation process skill. Selected content from the Science-A Process Approach program was used in the development of the measuring process skill. Selected content from the Science Curriculum Improvement Study program was used in the development of the classifying process skill. And materials of the researcher's design, problem-solving activities related to the concept of change, were used in the development of the predicting process skill. The prototype materials were tested during the Spring and Summer Quarters of 1973 and revisions were made on the basis of this testing. The revised materials were pilot tested during the Fall Quarter of the 1973-74 school year with six sections of Ball State University elementary science methods students. As a result of the pilot testing a new multiple choice process pre/post-test was created and revisions in the teachers' guide were made. Final testing of the curricular materials occurred during the Winter Quarter of the 1973-74 school year with four sections of elementary methods students.Statistical treatment of the data collected during the final testing of the materials included analysis of individual pre/post-test scores, pre/post-test variance, per cent of growth applied to an established competency criterion and the application of a one-tailed t test testing the null hypothesis that the mean of the difference between the paired measures (pre/post-test scores) is zero.The feasibility of creating individually paced, science process skill curricular materials using a systems approach and merging selected content goals of elementary science methods with science process skill acquisition goals was established in this study. The population of preservice elementary school teachers who used the curricular materials met the established competency criterion for all four process skills. Data from this study provide a model for further development of other science process skill building curricular materials for pre service elementaryschool teachers.

The present study examines science education policies in three selected developed countries and compares them with science education policies in Lebanon in order to identify their potential reform policies and practices applicable to Lebanon. The selection of the three countries, the U.S.A., U.K., and Japan, was based on the amount of time and effort devoted in these countries to improving and modernizing their science education policies and curricula. Three aspects of secondary science curriculum policy in the chosen countries were analyzed and compared with those of Lebanon. These were: aims and objectives; pattern of science program including the science curriculum, the amount of time allotted to the study of science and the content of school science subjects; and the organization of school science including science requirement for graduation from high school, teaching strategies and mode of examinations. The data collected for analysis from the three chosen countries showed that, unlike Lebanon, in the three developed countries: education is compulsory up to at least the age of 16; aims and objectives are stated clearly and carefully; science is an integrated subject in the first year of secondary level, then it becomes separated into chemistry, physics and biology. The content of science subjects emphasizes the method and process of science and its application to the society. Examinations are designed to evaluate students' learning in science in contrast to Lebanon where examinations are designed to discriminate among students.

No description available.

No description available.

An adequate understanding of the nature of science (NOS) has become increasingly important for science teachers in South Africa as comprehensive curricular reforms over the past decade include promoting informed understandings of the ontological and epistemological bases of scientific knowledge and the methods of science. The main objective of this study was to explore the NOS understandings held by a sample of science teachers in the Eastern Cape Province of South Africa. Data were generated via questionnaires (n=136), semi-structured interviews (n=31), and classroom observations (n=8). The teacher interviews, which were informed by the questionnaire data, enabled further interrogation of the teachers’ philosophical positions. Their classroom practices were examined within the framework of these philosophical positions and the requirements of the new curriculum. The effect of implicit and explicit instruction in NOS on these teachers’ beliefs and classroom activities was also considered. A mixed-method approach informed by positivist and interpretivist perspectives was used for the collection and analysis of the data. The data suggests that explicit instruction in NOS resulted in more informed conceptions of science and the scientific enterprise, and that these conceptions were reflected, to a degree, in their classroom behaviours. However, it was noted that the teachers in this study often held philosophically eclectic views of the nature of scientific knowledge and how scientists develop ideas. Similarly, the South African National Curriculum Statement portrays science in contrasting ways, i.e. often within a modern/realist framework, but in other instances within postmodern/relativistic understandings (particularly in terms of indigenous knowledge systems). As such, an approach which aims at providing a firm foundation for understanding NOS ideas within a modern/realist perspective before emphasising the postmodern/relativist aspects of the scientific enterprise is suggested for teacher training and curriculum development.

This was a naturalistic investigation of the nature of elementary science teaching practice. The main purpose of the study was to portray, through description and comparison of teacher appreciations, now four elementary teachers of science perceived their worlds of practice. This study was based on the assumption that persons construct their realities and that teachers, as practitioners, also make their worlds of practice. Following Vickers (1983) and Schon (1987), "appreciation" was therefore used as a construct for examining and depicting key features of the teachers' practice. Appreciations of the teachers became the basis for exploring the nature and significance of their collaborative teaching. Findings of this exploratory study indicate that each teacher had a coherent but distinct set of appreciations of practice which included perceptions of professional identity and of preferences for practice. These appreciations appeared to colour a teacher's "style" of practice and expectations of self and of pupils. While the distinctiveness of a teacher's appreciations suggested that each teacher had a unique style of practice, teachers with similar or differing appreciations of practice engaged in productive, collaborative relationships with colleagues. Based on their appreciations of practice, teachers in the study seemed to have three major areas of concern and these were related to their instructional services to pupils, unit design and professional self-renewal. It is being suggested in this investigation that teacher collaboration was a strategy used by these teachers to enable them to handle their concerns practicably and efficiently. The implications of these findings are presented in terms of contributions to the practice of teaching and to theory and research on teaching/ in particular studies of the "culture" of teaching. / Education, Faculty of / Curriculum and Pedagogy (EDCP), Department of / Graduate