نتایج جستجو برای: structural

تعداد نتایج: 394501  

2012

Because of the global warming and the rising sea level, residents living in southwestern coastland, Taiwan are faced with the submerged land and may move to higher elevation area. It is desirable to discuss the key consideration factor for selecting the migration location under five dimensions of security”, “health”, “convenience”, “comfort” and “socio-economic” based on the document reviews. T...

2010
Timothy Teo Chwee Beng Lee

This study examined pre-service teachers’ self-reported intention to use technology by employing the Theory of Planned Behavior (TPB) as the research framework. One hundred and fifty-seven participants completed a survey questionnaire measuring their responses to four constructs in the TPB. These were administered at the beginning of the course in which technology was taught and used. Structura...

2015
Robert Davis Bodo Lang

This research models the relationship between self-efficacy, game purchase and usage. Four-hundred and ninety three consumers responded to a questionnaire. We deployed confirmatory factors analysis (CFA) and structural equation modeling (SEM) across 4 game types; original model (all games) and alternative models, Sports/Simulation/Driving, Role Playing Game/Massively Multiplayer Online RolePlay...

2017
Yu-Shan Chen Ting-Yu Wang Yen-Wen Liao

This study develops an original framework to explore the influence of excessive product packaging on green brand attachment and to discuss the mediation roles of green brand attitude and green brand image. Structural Equation Modeling (SEM) is applied to verify the research framework. The results from a dataset of 238 valid questionnaires show that excessive product packaging has no direct effe...

2005
Stephen Z. Levine K. V. Petrides Chris J. Jackson Peter Howell

This article provides a brief introduction to the history and applications of the class of data analytic techniques collectively known as Structural Equation Modeling (SEM). Using an example based on psychological factors thought to affect the likelihood of stuttering, we discuss the issues of specification, identification, and model fit and modification in SEM. We also address points relating ...

2002
JOHN MARDEN YONGHONG GAO

A wide class of structural models on multivariate normal covariance matrices can be expressed using symmetries. For example, a multivariate normal vector has the intraclass correlation structure (where all variances are equal, and all covariances are equal) if the covariance matrix is invariant under permutation of the components, and the components are independent if the covariance matrix in i...

1999
Tim Panczak Mark J. Welch

Structural and thermal engineers currently work independently of each other using unrelated tools, models, and methods. Without the ability to rapidly exchange design data and predicted performance, the achievement of the ideals of concurrent engineering is not possible. Thermal codes have been unable to exploit the geometric information in structural models and the CAD design database, and do ...

2010
Hyeon Woo LEE

As the technology-enriched learning environments and theoretical constructs involved in instructional design become more sophisticated and complex, a need arises for equally sophisticated analytic methods to research these environments, theories, and models. Thus, this paper illustrates a comprehensive approach for analyzing data arising from experimental studies using structural equation model...

2009
Mark Urban-Lurain Daina Briedis Thomas F. Wolff

Mark Urban-Lurain, Michigan State University Mark Urban-Lurain is the Director of Instructional Technology Research & Development in the Division of Science and Mathematics Education at Michigan State University. Dr. Urban-Lurain's research interests are in theories of cognition, their impact on instructional design and applying these to the use of instructional technology. He is also intereste...

Journal: :Theor. Comput. Sci. 2005
Ying Xu Lusheng Wang Hao Zhao Jianping Li

Many RNA structures are assembled from a collection of RNA motifs, which appear repeatedly and in various combinations. Identification of RNA structural motifs will enhance our understanding of RNA structures and functions. Searching for secondary structural patterns in sequence databases is the basic technique and fundamental problem for extracting and identifying such motifs. A number of algo...

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