EdenteV2, Main, Exploration, bibRecord, 003347

Detection and characterization of usability problems in structured data entry interfaces in dentistry

Identifieur interne : 003347 ( Main/Exploration ); précédent : 003346; suivant : 003348

Detection and characterization of usability problems in structured data entry interfaces in dentistry

Auteurs : Muhammad F. Walji ; Elsbeth Kalenderian ; Duong Tran ; Krishna K. Kookal ; Vickie Nguyen ; Oluwabunmi Tokede ; Joel M. White [États-Unis] ; Ram Vaderhobli [États-Unis] ; Rachel Ramoni ; Paul C. Stark ; Nicole S. Kimmes ; Meta E. Schoonheim-Klein ; Vimla L. Patel

Source :

International journal of medical informatics [ 1386-5056 ] ; 2012.

RBID : PMC:3492538

Abstract

Background

Poor usability is one of the major barriers for optimally using electronic health records (EHRs). Dentists are increasingly adopting EHRs, and are using structured data entry interfaces to enter data such that the data can be easily retrieved and exchanged. Until recently, dentists have lacked a standardized terminology to consistently represent oral health diagnoses.

Objectives

In this study we evaluated the usability of a widely used EHR interface that allow the entry of diagnostic terms, using multi-faceted methods to identify problems and work with the vendor to correct them using an iterative design method.

Methods

Fieldwork was undertaken at two clinical sites, and dental students as subjects participated in user testing (n=32), interviews (n=36) and observations (n=24).

Results

User testing revealed that only 22–41% of users were able to successfully complete a simple task of entering one diagnosis, while no user was able to complete a more complex task. We identified and characterized 24 high-level usability problems reducing efficiency and causing user errors. Interface-related problems included unexpected approaches for displaying diagnosis, lack of visibility, and inconsistent use of UI widgets. Terminology related issues included missing and mis-categorized concepts. Work domain issues involved both absent and superfluous functions. In collaboration with the vendor, each usability problem was prioritized and a timeline set to resolve the concerns.

Discussion

Mixed methods evaluations identified a number of critical usability issues relating to the user interface, underlying terminology of the work domain. The usability challenges were found to prevent most users from successfully completing the tasks. Our further work we will determine if changes to the interface, terminology and work domain do result in improved usability.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3492538

DOI: 10.1016/j.ijmedinf.2012.05.018
PubMed: 22749840
PubMed Central: 3492538

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P2">Poor usability is one of the major barriers for optimally using electronic health records (EHRs). Dentists are increasingly adopting EHRs, and are using structured data entry interfaces to enter data such that the data can be easily retrieved and exchanged. Until recently, dentists have lacked a standardized terminology to consistently represent oral health diagnoses.</p>
</sec>
<sec id="S2"><title>Objectives</title>
<p id="P3">In this study we evaluated the usability of a widely used EHR interface that allow the entry of diagnostic terms, using multi-faceted methods to identify problems and work with the vendor to correct them using an iterative design method.</p>
</sec>
<sec id="S3"><title>Methods</title>
<p id="P4">Fieldwork was undertaken at two clinical sites, and dental students as subjects participated in user testing (n=32), interviews (n=36) and observations (n=24).</p>
</sec>
<sec id="S4"><title>Results</title>
<p id="P5">User testing revealed that only 22–41% of users were able to successfully complete a simple task of entering one diagnosis, while no user was able to complete a more complex task. We identified and characterized 24 high-level usability problems reducing efficiency and causing user errors. Interface-related problems included unexpected approaches for displaying diagnosis, lack of visibility, and inconsistent use of UI widgets. Terminology related issues included missing and mis-categorized concepts. Work domain issues involved both absent and superfluous functions. In collaboration with the vendor, each usability problem was prioritized and a timeline set to resolve the concerns.</p>
</sec>
<sec id="S5"><title>Discussion</title>
<p id="P6">Mixed methods evaluations identified a number of critical usability issues relating to the user interface, underlying terminology of the work domain. The usability challenges were found to prevent most users from successfully completing the tasks. Our further work we will determine if changes to the interface, terminology and work domain do result in improved usability.</p>
</sec>
</div>
</front>
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Detection and characterization of usability problems in structured data entry interfaces in dentistry

Detection and characterization of usability problems in structured data entry interfaces in dentistry

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Abstract

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