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A recent classroom revelation caused us to reconsider the adequacy of the instructions offered in our textbooks for one of our most elementary quantitative methods. Specifically, we found that many students were mystified concerning how to pick an initial objective function value when plotting an isoprofit line in order to graphically solve a linear programming problem. We observed that this seemingly insignificant issue was causing a surprising amount of wasted time, confusion, and even anxiety. Our experience indicated that students do not necessarily possess any consistent intuition for choosing an appropriate initial value. We confirmed this perception through informal experimentation. We reviewed several textbooks and found that most simply do not bother to address this issue. Therefore, we devised a simple, comprehensible method which we have taught our students to resolve or avoid this problem. Although we quickly found the method to be helpful for many students, we conducted an experiment to formally measure its effect.  相似文献   
94.
ABSTRACT

Along with the dramatic expansion of private tutoring around the world, a significant body of literature has been produced to understand this phenomenon. While many studies consider the issue of geographic location, the spatial dimension tends not to be a central focus of private tutoring studies. In contrast, the present essay applies mobility theory to research from Cambodia, where private tutoring is essential to student success. It does so in order to place private tutoring provision into a broader perspective that includes but moves beyond the economic dimensions of supply and demand and the sociological dimensions of economic, cultural, and social capital to include consideration of how private tutoring provision is constrained by a multidimensional spatial field of possibilities and how private tutoring participation is enabled by one’s position and abilities in relation to that field. The paper argues for increased attention to ‘spatial capital’ in studies of private tutoring and education generally.  相似文献   
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The Educational Amendments of 1972 marked a new direction in public policy regarding the scope and purpose of financial aid to higher education. Aid became more student-oriented, and equality of opportunity for higher education became a goal. This empirical study with national longitudinal data has made a start in policy evaluation of the effect of the 1972 Educational Amendments on the higher education acquired by young women. The most important result of financial aid receipt for young women is that those who received aid averaged 0.64 more years completed of higher education and averaged .145 greater graduation probability than similar women who did not receive aid. These results were obtained in multiple regression models in which the effects of marital status, parental background, geographic locations and economic characteristics, and tuition level were controlled for. These results suggest that policy attempts to stimulate the higher education acquired by enrolled young women by increasing the availability of financial aid are well founded.  相似文献   
97.
This essay provides a review of Jordan Peele's film, Get Out. The author argues that Peele's Get Out illustrates the protracted terrorism that is whiteness and the concomitant objectification and utilization of the black body for white survival, accumulation, and pleasure. The film challenges those in education to consider how anti-blackness operates within schools and education policy. More specifically, those in education should challenge longstanding inequities that foreclose the presents and futures of black youth.  相似文献   
98.
To determine the level of support that differing concepts of educational reform had among the actual practitioners of public education in the former Soviet Union and the USA, a sample of teachers was surveyed to measure the value they placed on divergent educational goal statements as well as their respective philosophical orientations. This study found that US teachers were most committed to educational goals related to basic skills development and critical thinking and least supportive of goals related to creativity and enculturation; Russian teachers on the other hand were most supportive of interpersonal understanding and human relations, moral and ethical well‐being, and critical thinking, and least supportive of the goal related to citizenship and civic responsibility. With regard to educational philosophical orientation, US teachers were divided between maintaining order and stability, developing individual interests and abilities, and improving society. Russian teachers were more united in their belief that the purpose of education is to develop individual interests and abilities, with a significant minority selecting the ‘transforming society’ orientation.  相似文献   
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In the first study, children's ability attributions following teacher blame was assessed for 218 Tamil-speaking children in India between 6 and 12 years of age. Indian children of all ages attributed low ability to the child that was blamed and high ability to the child who was not blamed by the teacher. This finding does not conform to expectations based on studies conducted in the West. In the second study, children between the ages of 6 and 12 were given questionnaires that attempted to explore their conceptions of ability and effort. It was found that the Indian sample did not clearly distinguish between ability and effort. Studies conducted in the West have found that older children clearly differentiate between ability and effort and value ability more than effort. The reasons for these culturally different findings in children's attributions is examined, and several possible explanations are offered.  相似文献   
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