Graduation Date

Summer 7-24-2009

Degree Name

Doctor of Philosophy (PhD)

School Name

The University of Texas School of Health Information Sciences at Houston

Advisory Committee

Dr. Sriram Iyengar

Keywords

community health workers, multimedia job aids, workload, protocol adherence, clinical errors, CGV, guideviews

Abstract

This dissertation focuses on factors of multimedia job aids that modify workload, protocol adherence and clinical errors in community health workers. Literature shows that community health workers performance is not acceptable even with support of paper job aids. There are cognitive theories that try to explain reasons why the performance of community health workers is poor regardless of the access to paper based-job aid. Based on cognitive science and multimedia design theories an intervention was designed to compare alternative representations for the information contained on paper job aids and the capability of this new designed job aids to enhance community health workers performance. The dissertation is divided in 5 main parts: 1. identification and description of the problem, 2. a methodological approach to create and evaluate an intervention, 3. Presentation of results of the intervention evaluation, 4. Discussion of findings and 5. Conclusions

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