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A Comparison Study of the Reliability Coefficients from Five Approaches to Reliability Estimation
DownloadFall 2015
In order to estimate reliability by a single administration of one test form, various approaches and corresponding reliability coefficients have been proposed so far. Currently, the five most influential approaches are: internal consistency, lower bound, principal components analysis (PCA),...
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Accuracy and reliability of CBCT imaging for adenoid hypertrophy screening among a sample of oral maxillofacial radiologists and orthodontists and by an automated commercial imaging software
DownloadSpring 2016
Objectives. This thesis project aimed to investigate the diagnostic performance of different dental specialists and a modern dental imaging software to evaluate adenoidal hypertrophy compared with the current reference standard diagnosis by an Otorhinolaryngologist – Head and Neck Surgeon (OHNS)...
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Fall 2018
Hernandez Peralta, Rodrigo Arturo
The objective of this research was to examine the cold temperature limitation of the elastomeric material currently used in railcar airbrake glad-hand gaskets. A test plan to assess gasket material performance was designed based on gasket operating conditions and material properties. Standards,...
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Assessment of Variation in the Alberta Context Tool: The Contribution of Unit Level Contextual Factors and Specialty in Canadian Pediatric Acute Care Settings
Download2011
Stevens, B., Squires, J.E., Hutchinson, A., Midodzi, W.K., Cummings, G.G., Kang, S.H., Scott, S., Estabrooks, C.A.
Background: There are few validated measures of organizational context and none that we located are parsimonious and address modifiable characteristics of context. The Alberta Context Tool (ACT) was developed to meet this need. The instrument assesses 8 dimensions of context, which comprise 10...
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Fall 2022
Embedded plates (embeds) are a common method of joining steel and concrete members in structures. Research at the University of Alberta emphasized the lack of consideration in the Canadian concrete design standard CSA A23.3:19 Annex D for the effect of reinforcement on anchorage capacity, as well...
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Bond Performance between Lightweight Concrete with Crumb Rubber and Glass Fibre Reinforced Polymer Bar
DownloadFall 2017
For any reinforced concrete structure, the bond between concrete and the reinforcement bar is the most important parameter from structural standpoint. Notwithstanding numerous prior studies on describing this interaction for different reinforcing bars, not enough understanding exists for fibre...
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Spring 2012
The present study has focused on the effects of Powdered Activated Carbon (PAC) in fly ash on the air-entraining admixture demand and consequent properties of concrete. An extensive laboratory test program was completed during this investigation. Three series of mixes were designed to evaluate...
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Design, Simulation and Evaluation of Effective Industrial Information Systems: Case of Machine Condition Monitoring and Maintenance Management Information Systems
DownloadFall 2013
Industrial information systems can improve the management of industrial operations by providing relevant and timely information on the status of physical assets via condition and process monitoring systems, and by enabling the effective use of data by systems and processes that restore proper...
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Determining Reliability and Validity of the Modified Gingival Index when Reviewed in an Image-based Survey Format
DownloadFall 2019
Gingivitis affects 50-90% of the Canadian adult population, with the accumulation of dental plaque being the most common cause. Clinically, gingivitis is characterized by red, swollen gums, bleeding upon stimulation, and a loss of stippled, knife-edged margins. Gingivitis will not necessarily...