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141.
Single Al-Pd-Re icosahedral quasicrystals with a maximum diameter of 5mm have been grown by a slow cooling method on the basis of a partial phase diagram determined in the present study. Laue X-ray and electron diffraction verified the highly ordered structure of the single icosahedral quasicrystals. The electrical resistivity rho of the single quasicrystals was measured to be 2000- 4000muOmegacm at 300K and 3000-6000muOmegacm at 2K, revealing a negative temperature dependence with a rho4.2K/rho300K value smaller than 2. 相似文献
142.
Cheng-hung Tsai 《Philosophical explorations》2013,16(1):68-89
Knowledge of a language is a kind of knowledge, the possession of which enables a speaker to understand and perform a variety of linguistic actions in that language. In this paper, I pursue an agency-oriented approach to knowledge of language. I begin by examining two major agency-oriented models of knowledge of language: Michael Dummett's Implicit Knowledge Model and Jennifer Hornsby's Practical Knowledge Model. I argue that each of these models is inadequate for different reasons. I present an Acquaintance Knowledge Model, in which a speaker's knowledge of a language is a combination of the speaker's first-order linguistic ability and second-order acquaintance with his ability and actions. 相似文献
143.
The Inventory of College Challenges for Ethnic Minority Students (ICCEMS) is a newly developed instrument that assesses challenges faced by ethnic minority college students across a range of cultural, academic, social, and practical domains. The present study tested the ICCEMS among Chinese American students in an attempt to identify its factor structure and assess its psychometric properties. A total of 13 factor domains emerged. The Cronbach's alpha and 1-month test-retest reliability of the subscales and the overall scale supported their reliability. Both criterion and construct validities were also demonstrated. Chinese American college students faced the greatest challenges in terms of unclear career direction and academic demands. 相似文献
144.
Chin-Chung Tsai 《Cyberpsychology & behavior》2004,7(4):458-463
This study could be viewed as one of the initial attempts to probe adolescents' general perceptions toward the Internet. Through interviewing 40 adolescents in Taiwan, this study found the following 4-T categories for interpreting their perceptions toward the Internet, which included Technology, Tool, Toy, and Travel. Most adolescents perceived the Internet as a tool, implying that these adolescents, in general, held pragmatic views about the Internet. This paper further proposes a framework to elaborate the 4-T categories. The framework consists of the following two axes: one axis probably shows the ontology of the Internet, ranging from a "product" to a "process," whereas the other axis indicates the perceived feature of the Internet, varying from "functional" to "technical." It is finally suggested to carefully investigate the effects of people's Internet perceptions on their behaviors, as well as psychological and cognitive activities in Internet-related environments. 相似文献
145.
Brookman-Frazee L Stahmer A Baker-Ericzén MJ Tsai K 《Clinical child and family psychology review》2006,9(3-4):181-200
Empirical support exists for parent training/education (PT/PE) interventions for children with disruptive behavior disorders
(DBD) and autism spectrum disorders (ASD). While the models share common roots, current approaches have largely developed
independently and the research findings have been disseminated in two different literature traditions: mental health and developmental
disabilities. Given that these populations often have overlapping clinical needs and are likely to receive services in similar
settings, efforts to integrate the knowledge gained in the disparate literature may be beneficial. This article provides a
systematic overview of the current (1995–2005) empirical research on PT/PE for children with DBD and ASD; attending to factors
for cross-fertilization. Twenty-two ASD and 38 DBD studies were coded for review. Literature was compared in three main areas:
(1) research methodology, (2) focus of PT/PE intervention, and (3) PT/PE procedures. There was no overlap in publication outlets
between the studies for the two populations. Results indicate that there are opportunities for cross-fertilization in the
areas of (1) research methodology, (2) intervention targets, and (3) format of parenting interventions. The practical implications
of integrating these two highly related areas of research are identified and discussed. 相似文献
146.
147.
Costs of self-handicapping 总被引:3,自引:0,他引:3
Four studies examined the relation of trait self-handicapping with health-related measures. Study 1 showed that, over time, self-handicapping and maladjustment reinforce each other. Study 2 showed that self-handicappers reported a loss in competence satisfaction which, in turn, mediated the relation of self-handicapping with negative mood. Study 3 found that, over time, self-handicappers report an increase in substance use. Study 4 showed that self-handicappers reported a loss in intrinsic motivation for their jobs. It was suggested that people with unstable (or contingent) self-esteem use self-handicapping to bolster a fragile self-concept. 相似文献
148.
149.
Steve Cohen Richard Chechile George Smith Frank Tsai Glen Burns 《Behavior research methods》1994,26(2):236-241
A method for executing a detailed evaluation of educational software is described. Several issues are discussed, including the use of an experimental setting versus a field study, and the design of assessment instruments suited to evaluation of educational software. The instruments include a test of remedial skills, a 103-item test of conceptual understanding, and a system for recording students’ use of the software. The method was used to evaluate ConStatS, a program for teaching conceptual understanding of probability and statistics. Preliminary results of the evaluation are presented. 相似文献
150.