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661.
Lawrence W. Sherman 《科学教学研究杂志》1989,26(1):55-64
Achievement in individually competitive and cooperatively reward-structured environments was examined in two high-school biology classrooms. Each was pretested and taught an identical unit of study, one in an individually competitive structure and the other using a cooperative group-investigation model. At the end of seven weeks both classes were posttested. A two-way within-subjects ANOVA was used to determine significant differences in pre- and post-test scores between the two treatment groups. The two groups were not significantly different from each other on the pretest. While both cooperative and competitive techniques obtained significantly (p < 0.05) higher posttest scores, neither treatment was superior over the other in producing academic achievement. Results are compared to previous studies which have examined differences among cooperatively, competitively, and individually structured classrooms. 相似文献
662.
Taylor Karen S. Lawrence Joshua F. Connor Carol M. Snow Catherine E. 《Reading and writing》2019,32(4):983-1007
Reading and Writing - The Common Core State Standards (Common Core State Standards Initiative, 2010) feature argumentative writing across the curriculum in grades 4 through 12, yet little is known... 相似文献
663.
J. Lawrence Aber Catalina Torrente Leighann Starkey Brian Johnston Edward Seidman Peter Halpin 《Journal of research on educational effectiveness》2017,10(3):507-529
This article examines the effects of one year of exposure to “Learning to Read in a Healing Classroom” (LRHC) on the reading and math skills of second- to fourth-grade children in the low-income and conflict-affected Democratic Republic of the Congo. LRHC consists of two primary components: teacher resource materials that infuse social-emotional learning principles into a reading curriculum and collaborative school-based teacher learning circles to exchange information about and solve problems in using the teacher resource materials. To test the impact of LRHC on children's reading and math skills, 40 school clusters containing 64 schools and 4,465 students were randomized to begin LRHC in 2011–2012 or to serve as wait-list controls. Hierarchical linear models (students nested in schools, nested in school clusters) were fitted. Results indicate marginally significant positive impacts on children's reading scores (dwt = .14) and geometry scores (dwt = .14) but not on their addition/subtraction scores. These results should be treated with caution given the reported significance level of p < .10. The intervention had the largest impacts on math scores for language minority children and in low-performing schools. Research, practice, and policy implications for education in low-income conflict-affected countries are discussed. 相似文献
664.
Berger LM 《Child abuse & neglect》2005,29(2):107-133
OBJECTIVE: This paper discusses the ways in which existing microeconomic theories of partner abuse, intra-family bargaining, and distribution of resources within families may contribute to our current understanding of physical child abuse. The empirical implications of this discussion are then tested on data from the 1985 National Family Violence Survey (NFVS) in order to estimate the effects of income, family characteristics, and state characteristics on physical violence toward children. METHODOLOGY: The sample consists of 2,760 families with children from the NFVS. Probit and ordered probit models are used to explore relationships between income, family characteristics, state characteristics, and physical violence toward children among single-parent and two-parent families. RESULTS: In both single-parent and two-parent families, depression, maternal alcohol consumption, and history of family violence affect children's probabilities of being abused. Additionally, income is significantly related to violence toward children in single-parent families. CONCLUSIONS: These results reinforce earlier findings that demographic characteristics, maternal depression, maternal alcohol use, and intra-family patterns of violence may largely contribute to child abuse. This research also suggests that income may play a substantially more important role in regard to parental violence in single-parent families than in two-parent families. 相似文献
665.
This ethnographic inquiry examines the cultural congruence between home and school in rural Ghana, exploring the cultural norms of child-rearing practices within families and the institution of schooling. The data illustrate both the agreement between home and school in regard to discipline practices and instruction in morality, while simultaneously highlighting a power differential between home and school. The authors highlight the power dynamics between home and school, and discuss the burden children bear in managing the home–school relationship in rural Ghana. 相似文献
666.
Lawrence B. Flick 《科学教学研究杂志》1990,27(3):219-231
How do children solve force and motion problems in computer simulations without explicit knowledge of the underlying physics? This question was addressed by saving the keystroke input of 19 sixth-grade children in computer memory as each interacted with a simulated, frictionless object using Logo turtle-graphics. The keystroke sequences were first used to determine subject performance on the gamelike features of the simulation. A second analysis used the Newtonian structure of the program to investigate alternative methods for controlling turtle velocity. Five boys and five girls were interviewed during the simulation concerning the perceived relationship between keyboard input and turtle behavior. Subjects who could clearly state some keyboard effects did not score high on either computer analysis, yet achieved the most general solutions of the computer problem. They did so by exploring turtle behavior under a greater variety of conditions than the subjects who achieved partial solutions. For the successful subjects, the turtle was related by analogy to useful information from existing conceptions of motion. 相似文献
667.
Lawrence H. Stewart Joan P. Avis 《International journal for the advancement of counseling》1984,7(4):241-251
School counseling in the United States is going through a very difficult period. Reasons for the difficulties are discussed. Suggestions are offered for modifications in counseling practice and in counselor education needed to overcome the current problems. Hopefully, the issues raised in the paper will be especially relevant in those countries which have relied heavily on literature and expertise from the United States in developing their counseling services. 相似文献
668.
Dr. Robert T. Blackburn Jeffery P. Bieber Janet H. Lawrence Lois Trautvetter 《Research in higher education》1991,32(4):385-413
Within the framework of cognitive motivation theory, selected personal and environmental motivational variables for faculty in eight liberal arts and science departments from community colleges, liberal arts colleges, comprehensive colleges and universities, and research universities were regressed against faculty allocation of work effort given to research, scholarship, and service. The data came from a 1988 national survey of faculty.Gender, (sociodemographic), quality of graduate school attended, career age, andrank (career); self-competence andself-efficacy regarding research, scholarship, and service andpercent time prefer to give to research, scholarship, and service (self-valuations); andinstitutional preference, consensus andsupport, andcolleague commitment to research, scholarship, and service (perception of the environment) were entered into regressions.R
2s were generally strong (.64 for liberal arts-I institutions) and significant. For all institutional types,self-valuation (self-competence and-efficacy) motivators significantly accounted for the explained variance.Sociodemographic andcareer variables did not explain appreciable amounts of variance. 相似文献
669.
Lawrence M. Alemoni 《Instructional Science》1978,7(1):95-105
The present study was designed to assess the effects on faculty performance of a combination of feedback and personal consultations using college student evaluations. Student evaluation feedback and personal consultations were conducted at least a semester before any follow-up data were gathered. The results indicate that providing computerized results of college student evaluations along with individual faculty consulting sessions helped the instructors to significantly improve their student ratings on two instructional dimensions.This study was conducted while the author was Head of the Measurement and Research Division, Office of Instructional Resources, University of Illinois at Urbana-Champaign. The author is indebted to Nancy F. Halff for her valuable editorial and statistical assistance, and to Pamela Z. Hexner and Jeffrey A. Slinde in conducting the data analysis.University of Arizona 相似文献
670.
This study compared the problem-solving performance of university genetics professors and genetics students, and therefore fits the expert versus novice paradigm. The subjects solved three genetic pedigree problems. Data were gathered using standard think-aloud protocol procedures. Although the experts did not differ from the novices in terms of the number of correct solutions obtained, there were significant differences favoring the experts in terms of the completeness and conclusiveness of the solutions. The experts identified more critical cues in the pedigrees which were used to generate and test hypotheses, they tested more hypotheses by assigning genotypes to individuals in the pedigrees, and were more rigorous than the novices in the falsification of alternative hypotheses. The experts varied their problem-solving strategy to suit the particular conditions of problems involving rare or common traits. Novices did nor recognize the need to make such modifications to their strategies. 相似文献