ADEA CCI Liaison Ledger

Appropriate Assessments for Competency-Based Education

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By Prof. William D. Hendricson, Assistant Dean for Educational and Faculty Development, University of Texas Health Science Center San Antonio Dental School, and Senior Consultant, Academy for Academic Leadership

Competency-based education (CBE) has been designated as the educational model for dental school, so assessment strategies in predoctoral dental education should be implemented in a manner consistent with this educational philosophy. To do this, we must first understand what defines competency-based education. Then we can seek out best practices for assessing students' readiness to provide dental care in the public domain, without supervision, and under their own licenses.

Competency-Based Education

Competency-based education came into prominence in the United States during the 1950s. In the post-Sputnik era, concern that we were falling behind the Soviet Union in the "space race" and in science generally led the public to demand that our universities produce better outcomes. CBE was conceived as a means to achieve this goal.

Four characteristics distinguish CBE:

  1. Trainee outcomes are based on analysis of the job responsibilities and tasks of practitioners.
  2. Curriculum is focused on what students need to learn to perform these on-the-job responsibilities, not around the traditional subject matter prerogatives of disciplines.
  3. Hierarchically sequenced modules allow students to proceed through the curriculum at their own pace.
  4. Educators employ assessment techniques that measure unassisted learner performance in settings approximating real-world work environments.1-5

CBE was first mentioned by the Commission on Dental Accreditation (CODA) as a philosophy for dental education in its 1995 predoctoral standards. It was first described as a desired curriculum model by ADEA in 1997 when the initial set of competencies that define the outcomes of predoctoral education were published.

The 2008 revisions of the CODA predoctoral standards, now undergoing scrutiny by dental communities of interest, and the Competencies for the New General Dentist, adopted by the ADEA House of Delegates in April 2008, both endorse CBE as the model for the predoctoral curriculum, and both organizations now clearly identify a "general dental practitioner" as the desired outcome of dental school.

The preamble to the 2008 ADEA competencies states that "a competency is a complex behavior or ability essential for general dentists to begin independent and unsupervised dental practice. Competency includes knowledge, experience, critical thinking, problem-solving, professionalism, ethical values and procedural skills. These components of competency become an integrated whole during the delivery of patient care." This last statement is critical for understanding competency assessment strategies in CBE.

Assessments Used in CBE

What methods are used in CBE for assessing students' readiness to provide dental care in the public domain without supervision and under their own licenses? In CBE, the highest priority is determining students' readiness for practice, i.e., their capacity to "put it all together." Appraisal of practice readiness is based on two concepts:

  1. assessing students' overall or general competence rather than focusing on individual skills, known as component or silo competencies, which are often taught and evaluated in isolation;5, 9, 13, 15 and
  2. employing multiple data sources based on the principle of triangulation.16

Assessing students' general competence

One of the leaders in competency-based education, Paul Pottinger, observed: "Competence cannot be meaningfully defined by endless reductions of specific skills, tasks and actions which, in the end, fall short of real world requirements for effective performance. In fact, the more essential characteristics for success often turn out to be broad or generalized abilities which are sometimes more easily operationally defined and measured than an array of subskills that do not add up to a general competence." 15

The ADEA Commission on Change and Innovation in Dental Education (ADEA CCI) conducted a survey in 2008 with participation by 53 of 56 U.S. dental schools, which asked course directors to report how students' competency is assessed. Nearly one thousand faculty (45% of course directors) responded, providing the most extensive study of dental school assessment strategies to date.17 A key survey question was, how does your school make a comprehensive assessment of students' readiness for entry into unsupervised practice; in other words, how does your school assess Pottinger's "general competence?"

The response options included:
(1) a checklist system where students are certified for graduation if they pass all courses, meet GPA standards, complete all clinical requirements, meet all departmental expectations, complete all rotations, submit all assignments, and pay their bills;
(2) an in-school internship where a small group of faculty work with each student for several months to observe daily performance across all competency domains;
(3) implementation of gatekeeper examinations to credential accomplishment of core competencies; and
(4) departmental certification that students are competent in areas of dentistry germane to their disciplines.

Seventy percent of schools used option 1, the checklist approach. Only a handful of respondents (7% each) used options 2 and 3, yet option 2 followed by option 3 are the practice readiness assessments most consistent with CBE.
Figure 1 illustrates the difference between assessing component competencies and general competence. The individual skills in the general dentists' toolkit (component or silo competencies) are represented by ovals inside the circle and the new concept of general competence (the capacity to "put it all together" consistently) is represented by the outer circle in bold. Current performance measurement theory indicates that primary emphasis should be placed on assessing students' overall package of skills (the outer ring) in working conditions that approximate "authentic practice."8, 9, 10, 13

From my experience with many health professions, dental education does the best job of assessing the silo components of competency. However, as Michael Eraut articulated in Professional Knowledge and Competence,18 "professional competence is more than demonstration of isolated competencies. When we see the whole, we see its parts differently than when we see them in isolation."

The prevailing recommendation for measuring general competence is a pre-graduation internship of at least two months' duration that resembles the work environment, tasks, and responsibilities of entry-level practitioners. During the internship, students work under the daily supervision of a small group of the same faculty who observe and assess them on a range of measures: reproducibility of component competencies, seamless transition between silo competencies during patient care, depth of knowledge, punctuality, decorum, appearance, stress management, and the students' capacity for self-assessment and self-correction. Many dental faculty are concerned about the "qualitative" or "subjective" nature of this type of assessment, but George Miller19 asserted that "the collective wisdom of faculty who have consistent opportunities to observe and interact with the student is the essential core of performance assessment," a perspective endorsed by virtually every review of assessment best practices in health professions education.20

The Assessment Triangle

Readiness assessment based on multiple data sources is more likely to be accurate than single-source measures or disproportionate reliance on one measure over other potential sources of information about students' practice readiness.21 This best practice is commonly referred to as triangulation, and it was recently described in the Journal of Dental Education by Jehangiri.16

Figure 2 depicts a triangulation model for competency assessment. The pinnacle of the model represents performance, including the 3 Ps: process (human factors including communication, diligence, organization, compassion, ethical behavior); product (outcomes of patient care); and procedure (technical skills necessary to provide patient care). The foundation legs are appraisal and reflection (self-assessment and self-correction), and knowledge. New assessment strategies, consistent with CBE principles, have been developed for each leg of the triangle.

The Performance Leg (Internships and OSCEs)

For practice readiness relative to the performance leg, the pre-graduation internship is considered to be an optimal approach. Internships answer the questions: Can senior students put it all together in an environment that approximates general dentistry? Can they function in clinical environments where they don't have several hours for one appointment, but are expected to practice acceptably during four to five appointments daily?

In most health professions education programs, the internship is supported by the Objective Structured Clinical Examination (OSCE), a technique for readiness assessment that is used for gateway examinations that students must pass in order to advance to a higher academic level, graduate, or obtain a license.22-23 For example, the National Dental Examining Board of Canada now implements an OSCE as a core component of the licensure process in that nation. Many of us were able to experience an OSCE at the 2008 ADEA CCI Conference in Chicago.24

In OSCEs, students rotate through 20-30 stations at timed intervals that provide a representative sampling of patient problems or clinical tasks. At action or task stations, students perform specific procedures under observation by trained evaluators. For instance, OSCEs typically contain several stations where students interview and examine patients trained to portray different types of oral health problems, often with co-morbidities that may influence decision making. At subsequent assessment stations, students report clinical findings to a faculty member, propose and justify a diagnosis, and compare and contrast therapeutic options.

During OSCEs, students may be asked to demonstrate comprehension of underlying basic science principles by linking the patient's symptoms to pathophysiological mechanisms. This is accomplished by verbal questioning from a station proctor, or students may respond by writing short answer essays or answering multiple-choice questions. At other OSCE stations, students may be asked to study case scenarios and then select answers to multiple-choice questions about diagnostic tests, assessment techniques, and treatment planning. Most OSCEs contain radiographic interpretation stations as well as stations where students assess laboratory findings and measure vital signs. The student's overall score on the OSCE is derived from their understanding of pathophysiology, use and comprehension of assessment techniques, capacity to interpret clinical findings, ability to make appropriate treatment planning decisions, performance of patient examination skills, and interpersonal skills. Standardized patients, trained patients who provide a standardized experience for all students rotating through the station, are often used to assess patient-examination and interpersonal skills.25

The integrative nature of the OSCE, which samples a broad spectrum of competencies, is consistent with CBE assessment principles.

The Appraisal & Reflection Leg (Portfolios)

For the appraisal and reflection leg, where students must reflect upon and assess their own performance, portfolios are recommended.26, 27 Students use portfolios to collect evidence that demonstrates their progress toward and accomplishment of specified competencies including longitudinal documentation of patient care, performance on competency exams, case presentations, literature reviews, reports, formative evaluations, formal performance reviews by supervising faculty, and most importantly, the students' own appraisal of their performance and reflections on needed improvements, lessons learned, and insights about dentistry or the learning process. The reflection component allows faculty to appraise the student's level of self-awareness and capacity for reflection. Review of the portfolio content provides an opportunity for student""teacher dialogue centered on the students' work products and assessment of progress. Without self-assessment and reflection, portfolios can digress to "scrapbooking."

U.S. schools of pharmacy use a portfolio system, prescribed by their accreditation commission, as the principal assessment technique to measure students' attainment of 18 competencies, and many doctoral programs, in and out of the sciences, now employ portfolios instead of qualifying examinations and other types of grading.

The Knowledge Leg (TJEs and CATS)

For the knowledge leg, the Triple Jump Exercise (TJE) is considered state-of-the-art and is widely used in health professions education to evaluate students' capacity to access, analyze, and apply biomedical knowledge to healthcare problems.28-30 There are several variations of TJEs. Clinical TJEs consist of three phases (thus, the "jumps") completed in one or two days. In the first jump, students interview and examine patients while observed by faculty or while being videotaped for retrospective review including student self-assessment. In the second, they write an assessment of the findings using the "SOAP" format (subjective data, objective data, assessment, plans). The emphasis is on providing evidence from the literature to support assessment and therapeutic decisions. In the third jump, students participate in an oral examination during which faculty members question them about the pathophysiology, diagnosis, and treatment of the patient's problems and ask them to review research evidence related to treatment options and outcomes. Students receive an evaluation for each jump and a cumulative score across all three jumps.

TJEs implemented in the preclinical curriculum focus on students' research skills and capacity for self-directed learning. Students are asked to find evidence in the literature that answers research questions, which the students develop themselves, pertinent to health problems. In TJEs for freshman or sophomore students, the first jump involves reading a scenario depicting a patient with an oral health problem, and then identifying key issues in the case and writing a researchable question in the PICO format (patient with problem, intervention, comparison, outcome). For the second jump, students explore the literature to find evidence pertinent to their question, and in the third jump, students report their findings, answer the research question, and critically appraise the quality of the research evidence. As with clinical TJEs, students receive evaluations for each jump and a cumulative score across all three jumps. Both types of TJEs emphasize locating pertinent information, applying it to specific health problems, and evaluating the quality of the information accessed, in contrast to multiple-choice testing, which primarily assesses memory.

The Critically Appraised Topic Summary (CATS) is a new technique to assess students' capacity to use biomedical knowledge to make reasoned decisions.31-33 CATS is a cousin to the TJE in that students start by reviewing a case scenario or an actual patient's clinical presentation, identify unknowns that need to be explored, write a researchable question in the PICO format, explore the literature to find and analyze evidence, and then write a summary that indicates an answer to the question and recommendations based on appraisal of the research. Like the TJE and aspects of the OSCE, CATS evaluates how students access, analyze, and apply biomedical knowledge. In so doing, it measures students' capacity for self-directed learning.

Opportunities Ahead

In summary, the good news is that there are several techniques, which are relatively new to dental education, which can provide comprehensive assessment of several competence domains, and thus are consistent with CBE's emphasis on practice readiness. Because internships, OSCEs, portfolios, TJEs, and CATS are new to academic dentistry, there are few examples to provide implementation heuristics. The 2008 ADEA CCI Survey of Competency Assessment revealed that less than 2% of dental school course directors use any of these techniques while traditional techniques such as multiple choice testing, procedural requirements, practical exams in the laboratory, clinical comps, and daily grades still comprise 70% of all assessment done in the predoctoral curriculum.17 These data might be considered "bad news," but they also reveal the opportunities that lie ahead for dental educators to incorporate assessment strategies into the curriculum that reinforce the philosophy of competency-based education.


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Figure 1: Component / Silo Competencies and General Competencies
A fundamental principle of competency-based assessment is to measure students' practice readiness as represented by General Competence (i.e., capacity to "put it all together" over an extended period of time).

So much interesting topic hear. very great knowledge which providing by you for student welfare. I read your all description I think we can take care of our teeth best by your suggestion.thanks for your all topic.
Posted by: Dr. Ahmad Momani( Visit ) at 2/17/2016 1:58 AM

most health professions education programs, the internship is supported by the Objective Structured Clinical Examination (OSCE), a technique for readiness assessment that is used for gateway examinations that students must pass in order to advance to a higher academic level, graduate, or obtain a license.22-23 For example, the National Dental Examining Board of Canada now implements an OSCE as a core component of the licensure process in that nation
Posted by: Dr.J.Smith( Visit ) at 4/1/2016 7:56 AM

Hope new techniques are not painful as other dentistry techniques are!! This will great to learn some more new techniques. what is the procedure to join the new courses?
Posted by: Paul Bola( Visit ) at 7/15/2016 3:07 AM

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