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Reports by Author

David Chan


Click on the titles below to find US government-authored or -collected reports written by David Chan

Total Results: 6 Results per page:
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Modeling Change Over Time: Conceptualization, Measurement, Analysis, and Interpretation 12-Nov-2009 15 pages
Authors:  David Chan; SINGAPORE MANAGEMENT UNIV
The full text of this report is available for sale.The objective of this research report is to provide a state-of-the art review of the issues and methods relating to the modeling of change over time. The focus is on the quantitative assessment of the concept of change of time, which includes issues of conceptualization, measurement, data analysis, and interpretation. The rationale and motivation for this research originated from the author's observations (specifically in the past decade in the capacities ...


Rosetta Phase II: Measuring and Interpreting Cultural Differences in Cognition 31-Jul-2008 108 pages
Authors:  Helen A Klein; Mei-Hua Lin; Kaiping Peng; Kanika Bhal; Mark H Radford; Incheol Mohd Choi; Noraini Noor; Halimahtun M Khalid; David Chan; SEOUL NATIONAL UNIV (REPUBLIC OF KOREA)
The full text of this report is available for sale.This report documents Phase II of the Rosetta Project to identify and measure cultural differences in the way people perform complex cognitive tasks. We have taken advantage of developments in cognitive psychology to expand the test battery. This has allowed us to gain a richer picture of national differences in cognition and to capture cognitive differences important in naturalistic setting. Seven national groups participated in the main study, each group ...


Rosetta Phase II: Measuring and Interpreting Cultural Differences in Cognition 31-Jul-2008 107 pages
Authors:  Helen A Klein; David Chan; Mei-Hua Lin; Kaiping Peng; Kanika Bhal; Mark H Radford; InCheol Choi; Noraini M Noor; Halimahtun M Khalid; SINGAPORE MANAGEMENT UNIV
The full text of this report is available for sale.The Rosetta-II Project: Measuring National Differences was a multinational cultural cognition research project involving teams from Japan, Korea, Malaysia, India, China , and USA. The objective of the study was to expand upon measures made in Rosetta I. Investigators at each site focused on 1" developing a set of perceptual and simple cognitive measures that can validly predict complex cognition conceptually related to sensemaking in natural contexts; 2" delineating the ...


Rosetta Phase II: Measuring and Interpreting Cultural Differences in Cognition 31-Jul-2008 107 pages
Authors:  Helen A Klein; Noraini M Noor; Halimahtun M Khalid; Mei-Hua Lin; Kaiping Peng; Kanika Bhal; Mark H Radford; InCheol Choi; David Chan; INTERNATIONAL ISLAMIC UNIV (MALAYSIA)
The full text of this report is available for sale.The Rosetta-II Project: Measuring National Differences was a multinational cultural cognition research project involving teams from Japan, Korea, Malaysia, India, China, and USA. The objective of the study was to expand upon measures made in Rosetta I. Investigators at each site focused on 1) developing a set of perceptual and simple cognitive measures that can validly predict complex cognition conceptually related to sensemaking in natural contexts; 2) delineating the relationships ...


Rosetta Phase II: Measuring and Interpreting Cultural Differences in Cognition 31-Jul-2008 107 pages
Authors:  Helen A Klein; Mei-Hua Lin; Kaiping Peng; Kanika Bhal; Mark H Radford; InCheol Choi; Noraini M Noor; Halimahtun M Khalid; David Chan; WRIGHT STATE UNIV DAYTON OH DEPT OF PSYCHOLOGY
The full text of this report is available for sale.The Rosetta-II Project: Measuring National Differences was a multinational cultural cognition research project involving teams from Japan, Korea, Malaysia, India, China , and USA. The objective of the study was to expand upon measures made in Rosetta I. Investigators at each site focused on 1) developing a set of perceptual and simple cognitive measures that can validly predict complex cognition conceptually related to sensemaking in natural contexts; 2) delineating the ...


Surface Characterization of Intermediate Modulus Graphite Fibers Via Surface Free Energy Measurement and ESCA. 1991
Authors:  David Chan; Maria A. Hozbor; Erdal Bayramli; ROBERT L. POWELL; CALIFORNIA UNIV DAVIS
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Electron spectroscopy for chemical analysis (ESCA), combined with surface derivatization and contact-angle measurements on single fibers, is used to characterize the surface of intermediate modulus (280 GPa tensile modulus) graphite fibers. Selective surface derivatization of the -COH, -COOH, and -C=O functional groups with fluorine-enriched tag molecules is used to obtain a quantitative measure of their surface abundance. Quantitative information on the abundance of these functional groups is then correlated with ...


Total Results: 6 Results per page: