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131.
This article describes the introductory two-semester course in electrical engineering that has been developed over a period of five years at Princeton University. The aims of the course are to provide an introduction to the field of electrical engineering via the basic concepts of electricity and magnetism (which are developed through Maxwell's equations in the integral form), to apply these concepts in developing the fundamentals of energy conversion and circuit theory, and to carry forward, in a continuous and integrated way, a modern treatment of network analysis. Thus, the treatment proceeds from field ideas to circuits and physical apparatus, and to their mathematical models. With the circuit relations formulated, attention turns to the analysis of networks, starting with network topology and extending through pole-zero ideas. The treatment stops just short of the Laplace transform. This course is intended to serve as a foundation for subsequent courses such as electronic circuits, energy conversion, and advanced network analysis and synthesis, and has been developed with the purpose of providing the student with a unifying point of view for these varied topics. 相似文献
132.
Avoiding versus seeking: the relationship of information seeking to avoidance, blunting, coping, dissonance, and related concepts. 总被引:1,自引:0,他引:1
Donald O Case James E Andrews J David Johnson Suzanne L Allard 《Journal of the Medical Library Association》2005,93(3):353-362
QUESTION: How have theorists and empirical researchers treated the human tendency to avoid discomforting information? DATA SOURCES: A historical review (1890-2004) of theory literature in communication and information studies, coupled with searches of recent studies on uptake of genetic testing and on coping strategies of cancer patients, was performed. STUDY SELECTION: The authors' review of the recent literature included searches of the MEDLINE, PsychInfo, and CINAHL databases between 1992 and summer of 2004 and selective, manual searches of earlier literature. Search strategies included the following subject headings and key words: MeSH headings: Genetic Screening/psychology, Decision Making, Neoplasms/diagnosis/genetics/psychology; CINAHL headings: Genetic Screening, Genetic Counseling, Anxiety, Decision Making, Decision Making/Patient; additional key words: avoidance, worry, monitoring, blunting, cancer. The "Related Articles" function in MEDLINE was used to perform additional "citation pearl" searching. MAIN RESULTS: The assumption that individuals actively seek information underlies much of psychological theory and communication practice, as well as most models of the information-seeking process. However, much research has also noted that sometimes people avoid information, if paying attention to it will cause mental discomfort or dissonance. Cancer information in general and genetic screening for cancer in particular are discussed as examples to illustrate this pattern. CONCLUSION: That some patients avoid knowledge of imminent disease makes avoidance behavior an important area for social and psychological research, particularly with regard to genetic testing. 相似文献
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Johnson RJ Ross MW Taylor WC Williams ML Carvajal RI Peters RJ 《Child abuse & neglect》2006,30(1):75-86
OBJECTIVE: The current study examined the prevalence and characteristics of childhood sexual abuse in a jailed-based population. METHODOLOGY: A retrospective, self-reported survey was administered over an 8-week period to a random sample of 100 men who were incarcerated in a county jail in Southeastern Texas. The survey included questions about childhood sexual experiences before and after puberty, drug history and use, and sexual risk-taking behaviors. RESULTS: Of the 100 male inmates who participated in this study, 59% reported experiencing some form of sexual abuse before puberty, and all such instances occurred before or at the age of 13 years. The first episode of childhood sexual abuse began at an average age of 9.6 years (SD = 2.4), and ended at an average age of 13.0 years (SD = 2.3). Kissing and touching without intercourse (64%) was the common pattern of sexual abuse experience reported. The total number of perpetrators was 165, with 10% male and 90% female. Friends (n = 72) and family (n = 56) were the most frequent perpetrators. CONCLUSION: Childhood sexual abuse may be more prevalent among inmates than among males in the general population. These results show a high percentage of inmates who report a history of childhood sexual abuse; this rate is higher than those reported by other studies for incarcerated males. The findings support the belief held by professionals in the criminal justice field that a significant number of incarcerated males may have been victims of sexual abuse. 相似文献
136.
The purpose of the study was to analyze two certificate programs in regard to the impacts on alumni professional career and strengths and weaknesses of certificate programs in the views of their alumni. The sample consisted of 58 participants who completed one of the certificate programs. The results showed that alumni rated self-improvement as the biggest benefit, career advancement benefit as average, and career change benefit as low from the certificate programs. Also, alumni thought that all program components were of strong quality, but the majority of alumni still wanted to see an increased emphasis on teaching, interaction with other students, support, and assessment feedback focus of the program. 相似文献
137.
OfSTED's criteria for inspection are published and available to all. However, it is quite possible that there will be a mismatch between schools' interpretations of what OfSTED means by good practice in primary mathematics and those of the inspectors who come to inspect them. The research reported here focuses on the responses of a small set of primary schools to the inspection of their mathematics: their anticipation of issues, their expectations of what would be found and their views of how the inspection would contribute to the development of good practice. Inspectors' reports seemed frequently to match the expectations of the schools. Interpretations appeared to coincide, but in some cases there appeared to be mismatch and disagreement which raised questions about expertise or interpretations of both inspector and mathematics co-ordinator and might, in turn, affect the development of mathematics following inspection. 相似文献
138.
Juanita Johnson‐Bailey Associate Professor 《Mentoring & Tutoring: Partnership in Learning》2013,21(1):7-21
Cross‐cultural mentoring relationships can be sites of struggle around the issues of race, class and gender. In addition, the mentor/protégé relationship offers micro‐cosmic insight into power relations within western society. The authors of this paper, a black woman associate professor and a white male professor, use the example of their mentoring relationship to illustrate six common issues facing academicians involved in these relationships: (1) trust between mentor and protégé; (2) acknowledged and unacknowledged racism; (3) visibility and risks pertinent to minority faculty; (4) power and paternalism; (5) benefits to mentor and protégé; and (6) the double‐edged sword of ‘otherness’ in the academy. Literature is used for review and critique of mentoring in the academy while offering personal examples to illustrate the complexity and success of a 13‐year mentoring relationship between a duo who began their association as teacher/student. 相似文献
139.
Kaprea F. Johnson Abha Gupta Hana Rosen Howard Rosen 《Mentoring & Tutoring: Partnership in Learning》2013,21(4):431-443
The current study took a quasi-experimental approach investigating the effect of a holistic after-school intervention, on reading comprehension measured by the Gray Oral Reading Test (GORT)-4 on at-risk students in Grade 2 through Grade 5. Analysis of Variance was used to investigate the relationship between pre- and post-intervention scores. The study showed encouraging results. The 91 student participants showed gains in their GORT-4 total scores after the intervention. Results of after-school tutoring lend support to the use of peer-tutoring in afterschool in the elementary schools. Due to the exploratory nature of the study in a single school, there are constraints on generalizability and utility of findings to other schools across the board. 相似文献
140.