منابع مشابه
Comparing Strengths and Weaknesses of Learning Theories
Introduction: Medical education is changing. Therefore, teachers need to evaluate their performance and try to maximize learning. Learning theories can provide insight in this important issue. This study aimed to review the strengths and weaknesses of learning theories including behavioral, cognitive and humanistic theories. Methods: In this study, some literatures related to learning theories...
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Does working on developing character strengths and relative character weaknesses cause lower life satisfaction than working on developing character strengths only? The present study provides a preliminary answer. After 76 college students completed the Values in Action Inventory of Strengths (C. Peterson & M. E. P. Seligman, 2004), the authors randomly assigned them to work on 2 character stren...
متن کاملMetals and Non-metals
Ductile: Substances that can be drawn into thin wires are called ductile. For example, most of the metals are ductile. Question 2: Why is sodium kept immersed in kerosene oil? Answer: Sodium and potassium are very reactive metals and and combine explosively with air as well as water. Hence, they catch fire if kept in open. Therefore, to prevent accidental fires and accidents, sodium is stored i...
متن کاملSemiclassical calculation of oscillator-strengths
2014 Because they play a fundamental role in the calculation of bound electron stoppingpowers, photon mean free paths and electron impact-excitation cross-sections, there is a need for a convenient method to calculate oscillator strengths for highly charged ions. In this paper we describe a simple semiclassical approximation for electron matrix-elements and oscillator strengths. The method is t...
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ژورنال
عنوان ژورنال: Nature
سال: 1949
ISSN: 0028-0836,1476-4687
DOI: 10.1038/163871a0