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PubMed · 10282609

Three components in the establishment of a certification testing program.

T M Haladyna
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Abstract

Certification in the health professions is growing both in number of programs and in quality. Three important components in the development of any sound and defensible certification testing program are presented and discussed. The three are interrelated and sequential, and each has a growing technology. Guidelines are presented and discussed that should assist those involved in establishing new certification program testing that is more adequately prepared for the difficult challenges typically faced.

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CertificationEducational MeasurementHealth OccupationsModels, TheoreticalProfessional CompetenceSpecialty BoardsUnited StatesJournal Article

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T M Haladyna. 1987. Three components in the establishment of a certification testing program.. https://doi.org/10.1177/016327878701000201

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Assessing the American Board of Orthodontics objective grading system: digital vs plaster dental casts.

INTRODUCTION: The purposes of this study were to determine whether the American Board of Orthodontics objective grading system (ABO OGS) can be assessed accurately from digital dental casts and whether there are statistical differences between digital and plaster dental casts in scoring the ABO OGS. METHODS: Thirty posttreatment plaster dental casts were selected and scanned by OrthoCAD (Cadent, Carlstadt, NJ) to produce 30 corresponding digital dental casts. The plaster and digital casts were compared by using the criteria of the ABO OGS. Because the data were ordinal, a nonparametic statistical analysis was used. RESULTS: The Wilcoxon test for paired samples showed significant differences between the plaster and digital casts for occlusal contacts, occlusal relationships, and total scores (P <.05). No significant differences were found for alignment, marginal ridges, overjet, and interproximal contacts. Buccolingual inclination was not included in this study because of inability to perform proper measurements with the OrthoCAD program. Mean differences of points deducted ranged from .03 point for marginal ridges to 5.07 points for the total score. The variable with the most points deducted related to occlusal relationships, and the fewest points were deducted for interproximal contacts. CONCLUSIONS: Based on this study, the current OrthoCAD program (version 2.2) was not adequate for scoring all parameters as required by the ABO OGS.

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