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In an initial data reduction step, the four comfort/skill and effectiveness items for each condition were subjected to principal components analyses (PCA).
In the very influential category were the Instructional Design Effectiveness items that rated the effectiveness of question/answers and case-based scenarios (question, case).
Bonferroni adjustment for multiple end points was applied in the analyses of differences in effectiveness items; attitude and competency groups of items.> -wrap-foot> Current visit and visit in last 6 months combined.
In the moderately influential category were other Instructional Design Effectiveness items (drag-drop, click-roll); Web Usability items (navig, load); Course Usefulness item (relevant); and Self-learning Attitude items (learnalone, motivation).
Together, the video and handbook satisfied 92% of all quality criteria outlined in the three subject areas designated by IPDAS (satisfied 96% or 22 of 23 content items, 87% or 20 of 23 development process items, and 100% or 6 of 6 effectiveness items) (Additional file 1).
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54 Both were scored as not adequately fulfilling the effectiveness item.
To solve the resulting scale indeterminancy issue caused by estimating the variances of the exogenous variables in the above model, one factor loading for each latent construct was fixed to 1 (Item # Relieve for Effectiveness; Item # To Plan for Convenience; Item # Overall for Global Satisfaction) [ 24].
After item refinement and psychometric validation, the TSQM Version 1.4 is comprised of 14 questions that provide scores on four scales: effectiveness (3 items), side effects (5 items), convenience (3 items) and global satisfaction (3 items) [ 19].
The Dry Eye Treatment Satisfaction module was composed of two dimensions covering Satisfaction with Treatment Effectiveness (6 items) and Treatment-Related Bother/Inconvenience (4 items); the 2 individuals items were part of the module.
The internal consistency and validity of the questionnaire was ensured for the instrument used in our study namely Effectiveness (3 items, Cronbach's Alpha =0.92), Side effects (4 items, Cronbach's Alpha =0.97), Convenience (3 items, Cronbach's Alpha =0.86), and Global Satisfaction scale (3 items, Cronbach's Alpha =0.89).
From the part of the study which focused on effectiveness 6 items on interoperability and functionality of IT Systems are presented in this paper.
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