4 resultados para Organization of educative environment

em Brock University, Canada


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Two Grade 3 classes were used to study the effects of a formal social skills training program. Specifically, comparisons were made on self-esteem, classroom environment, and moral development to see whether changes occurred as a direct result of social skills training. One group participated in the social skills program, while the other group did not. It was hypothesized that formal social skills training would improve students' selfesteem, moral development, and the classroom environment. At the end of the program, however, data from class observations, teacher interviews, journal of the social skills training group teacher, and measures of self-esteem, classroom environment and moral development did not support this hypothesis. Although the social skills training group scored significantly higher in class cohesiveness, they did not show marked improvement in the other measures. In fact, in some measures (e.g., friction and competitiveness), they demonstrated greater scores at both pretest and posttests. The social skills training group was, however, able to vocalize and utilize the strategies of several skills which had been a focus of the program, suggesting that formal social skills training is a useful tool for presenting and reinforcing some specific behaviours.

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A map titled "Plan of Organization of Conquered Position". There is a legend at the top right that reads: "Parallel of Surveillance, Parallel of Resistance, Parallel of the Redoubts, Limit between Bns., Final Objective, Final Line after Counter Attack." The map is dated 17 December 1918

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Although much research has explored computer mediated communication for its application in second language instruction, there still exists a need for empirical results from research to guide practitioners who wish to introduce web-based activities into their instruction. This study was undertaken to explore collaborative online task-based activities for the instruction of ESL academic writing. Nine ESL students in their midtwenties, enrolled at a community college in Ontario, engaged in two separate online prewriting activities in both a synchronous and an asynchronous environment. The students were interviewed in order to explore their perceptions of how the activities affected the generation and organization of ideas for academic essays. These interviews were triangulated with examples of the students' online writing, nonparticipatory observations of the students' interactions, and a discussion with the course instructor. The results of the study reveal that a small majority of students felt that brainstorming in writing with their peers in an asynchronous online discussion created a grammatical and lexical framework that supported idea generation and organization. The students did not feel that the synchronous chat activity was as successful. Although they felt that this activity also contributed to the generation of ideas, synchronous chat introduced a level of difficulty in communication that hindered the students' engagement in the task and failed to assist them with the organization of their ideas. The students also noted positive aspects of the web-based activities that were not related to prewriting tasks, for example, improved typing and word processing skills. Directions for future research could explore whether online prewriting activities can assist students in the creation of essays that are syntactically or lexically complex.

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The peripheral circulating erythrocytic system of the rainbow trout, l3 almo gairdner , was examined in vitro in relation differences in the morphology and multiple hemoglobin system organization of adult and juvenile red cells. Cells were separated by velocity sedimentation under unit gravity, a procedure requiring red cell exposure to an incubation medium for periods of at least three hours. Therefore , this must provide an environment in which red cells remain in a condition approximaing normalcy. Previous studies having demonstrated commonly employed media to be ineffective in this regard , a medium was developed through modification of Cortl and saline. One of the principal additions to this me dium , norepinephrine, altered cell regulation of intracellular calcium, magnesium and chloride concentrations. Catecholamine involvement was also suggeste d in the synthes is of hemoglobin . The procedure was found to separtate cells primarily by density and, to a lesser extent, by shape. Characterization of red cells revealed two subpopulations to exist . The first comprised the bulk of the cell population, and were of greater l ength, width, volume and major:minor axis ratio than the smaller population; these were adult cells. The later, juvenile cells were of smaller overall size and were more spherical in shape . Juvenile cells also possessed fewer electrophore tpically distinguishable isomorphs than did adults with only eight of eleven hemoglobin component s typically found With maturation,hemoglobin complement with the development of three more bands. The total complement of the adult cell contained 7 cathodal bands and four anodal hemoglobin isomorphs. Bands acquired with maturation comprised the smallest percentage of the cells hemoglobin. each averaging less than one-percent of the total. Whether these additional bands are derived through degradation and reaggregation of existing components or are the product of pe gQy2 synthesis is not yet known.