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自旋玻璃     
Stei.  DL 《科学中国》1989,(11):18-25
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As a form of exclusionary discipline, student placement into an alternative learning program (ALP) may lead to negative outcomes for students (e.g., lower academic achievement, attrition, involvement in the juvenile justice system; Anderson and Ritter in Educ Policy Anal Arch 25(49):1–33, 2017). School counselors are called to address inequitable policies, procedures, and conditions that may limit students’ personal/social and academic development, college access, and career readiness (ASCA, The ASCA national model: a framework for school counseling programs, 3rd edn. American School Counselor Association, Alexandria, VA, 2012). Additionally, school counselors should be unbiased in their decision-making (ASCA, Ethical standards for school counselors. American School Counselor Association, Alexandria, VA, 2016). The researchers utilized a true experimental design to examine the impact of student race (African American or White), gender (male or female), and socioeconomic status (SES; economically advantaged or disadvantaged) on practicing school counselors’ (N?=?334) decisions to place students in ALPs for disciplinary reasons. A factorial analysis of variance revealed no statistically significant differences in school counselors’ likelihood of placing students in ALPs for disciplinary reasons based these student demographic factors. The study also revealed a statistically significant positive relationship between school counselors’ belief in a just world, as measured by the Global Belief in a Just World Scale (GBJWS; Lipkus in Personal Individ Differ, 12(11): 1171–1178. https://doi.org/10.1016/0191-8869(91)90081-L, 1991), and likelihood of referring students to ALPs for disciplinary reasons. Implications for school counselors and educational stakeholders are discussed.

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Student evaluation of instruction in college and university courses has been a routine and mandatory part of undergraduate and graduate education for some time. A major shortcoming of the process is that it often relies exclusively on the opinions or qualitative judgments of students rather than the learning or transfer of knowledge that takes place in the classroom. To develop a more objective system of assessment, this research focused on a learning-centered approach to course work and teaching evaluation. Standardized testing tools were developed suitable for measuring the content knowledge of students in a representative group of undergraduate courses. Course evaluations were conducted using two systems of assessment: the traditional student questionnaire feedback system and one based on the learning-centered approach using a computer-based question bank and on-line testing. Significant performance differences were evident in pretest/posttest comparisons of student learning. Favorable ratings of instruction are reflected in opinions on student questionnaires. No relationship was demonstrated between learning and traditional course evaluation outcomes. Our hypothesis that the learning-centered approach provides information that is not available using the traditional student feedback system was supported.Support for this research was provided in part by Grant No. P116B981224-00 from the U.S. Department of Education, Fund for the Improvement of Post-Secondary Programs awarded to the University of North Carolina at Charlotte. The opinions expressed do not necessarily reflect the position or policy of the Department of Education, and no official endorsement should be inferred.  相似文献   
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An Interview Protocol and Scoring Rubric for Evaluating Teacher Performance   总被引:1,自引:0,他引:1  
This paper introduces an interview protocol, administration procedures, and scoring rubric for evaluating teacher performance. Procedures used to develop and adminis ter the protocol and scoring rubric and subsequent validity and reliability studies are reported. All evidence suggests that the protocol and scoring rubric are aligned with professional standards and focus on a teacher's assessment of and ability to modify instruction to improve student learning. These findings support the viability of the interview protocol as an effective method of evaluating teacher performance.  相似文献   
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This study describes an investigation of a research apprenticeship program that we developed for diverse high-school students often underrepresented in similar programs and in science, technology, engineering, and math (STEM) professions. Through the apprenticeship program, students spent 2 weeks in the summer engaged in biofuels-related research practices within working university chemistry and engineering laboratories. The experience was supplemented by discussions and activities intended to impact nature of science (NOS) and inquiry understandings and to allow for an exploration of STEM careers and issues of self-identity. Participants completed a NOS questionnaire before and after the experience, were interviewed multiple times, and were observed while working in the laboratories. Findings revealed that as a result of the program, participants (1) demonstrated positive changes in their understandings of certain NOS aspects many of which were informed by their laboratory experiences, (2) had an opportunity to explore and strengthen STEM-related future plans, and (3) examined their self-identities. A majority of participants also described a sense of belonging within the laboratory groups and believed that they were making significant contributions to the ongoing work of those laboratories even though their involvement was necessarily limited due to the short duration of the program. For students who were most influenced by the program, the belonging they felt was likely related to issues of identity and career aspirations.  相似文献   
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