The challenge to medical education at the turn of the 20th century took the form of the Flexnerian revolution.1 Exposure of poor educational content and processes in the early 1900s captured public attention and concern, precipitating a chain of events that led to drastic reform. In the early 21st century, accountability and responsibility to the public for the competency of practicing physicians have become a driving force behind an initiative of the American Board of Medical Specialties (ABMS) and the Accreditation Council for Graduate Medical Education (ACGME) to establish competency-based training for all physicians. The current structure- and process-based system defines the training experience by exposure to specific contents for specified periods of time (e.g., one month of adolescent medicine), while a competency-based system defines the desired outcome of training, the outcome driving the educational process (e.g., competence in the care of adolescent patients). The paradigm shift from the current structure- and process-based curriculum to a competency-based curriculum and evaluation of outcomes is the Flexnerian revolution of the 21st century.
We reviewed the literature on competency-based education in medicine to (1) understand the evolution of this educational paradigm, (2) assess the evidence to date of the efficacy of competency-based education, and (3) provide practical insight into how to accomplish full implementation and evaluation of the paradigm shift.
With the aid of a reference librarian, we searched Medline from 1966 to the present and the Educational Resource Information Clearinghouse (ERIC) from 1967 to the present using “competency-based” as a medical subject heading. Limiting the search to English-language original articles produced 340 references in Medline and almost 10,000 in ERIC. Further modification of the ERIC search by including “competency-based” in the title (9,887) and “medical” or “medicine” (68) as subject heading resulted in 129 articles. We reviewed the titles and abstracts of the 469 references and chose 68 relevant articles for full review.
What Does It Mean to Be Competent?
Many definitions of competency emerged in the medical literature beginning in the 1970s.2–8 Essentially, however, synthesis and simplification of these definitions led us to describe “competency” as a complex set of behaviors built on the components of knowledge, skills, attitudes, and “competence” as personal ability. (These definitions are adapted to reflect language commonly used in educational settings.) In fact, the six ACGME “competencies” actually represent domains in which a physician must ultimately demonstrate competence. Our review supports the competency construct as a complex but demonstrable integration of numerous related objectives, the latter being discrete measurable behaviors. Attainment of defined competencies helps reach a set goal, which is by definition lofty, vague, and far-reaching. The elements of competency-based education are best understood when contrasted with the elements of the structure-and process-based system that pervades medical education today (see Table 1).
THE EMERGENCE OF THE COMPETENCY CONSTRUCT IN THE 1970S AND 1980S
In addition to defining competency-based education, early publications focused on the forces behind the paradigm shift and the process of curriculum development. The cultural climate of the 1960s and early 1970s caused a significant fragmentation of curricula and a de-emphasis on basic skills, with a concomitant decline in scores of indicators of educational effectiveness such as Student Achievement Tests and classroom examinations. This deterioration in scores prompted a “back-to-basics” movement with emphasis on minimum standards and performance competencies at all educational levels.9 At the same time, the public demanded increased competence, even in the “professions” previously immune to consumerism. Public health leaders also called for competency-based training, and sought a workforce equipped to handle the population's needs by emphasizing competence in the context of the practice setting.10 Professional organizations, such as the American Dietetic Association11 and the State Board of Higher Education of the University of Illinois, joined this movement early, establishing guidelines and even edicts for the paradigm shift in the educational institutions over which they presided.12 These organizations prompted the implementation of several competency-based programs ranging from small-scale projects, such as developing interview skills in residents,13 to large-scale endeavors, such as creating a competency-based curriculum for first-year psychiatry residents,14 or a baccalaureate program for physical therapy students.15 As early as 1972, the American Board of Pediatrics published one of the first comprehensive documents on this subject, entitled Foundations for Evaluating the Competency of Pediatricians.16,17
Having set the stage for the context in which competency-based education developed, the stepwise approach to curricular design emerged as a consistent theme throughout the literature. The four steps are (1) competency identification, (2) determination of competency components and performance levels, (3) competency evaluation, and (4) overall assessment of the process. Possible methods for identifying competencies (step one) include the Delphi technique, which uses a consensus of individual experts,18 and the nominal group technique, which relies on group consensus19; task analysis, in which a researcher accompanies a physician to document all activities over a period of time18; the critical-incident survey, in which qualified practitioners describe observed incidents that reflect good or bad practice10,19; the behavioral-event interview, in which star performers describe critical clinical situations and characteristics of a good doctor10; and the simplest method—practitioner surveys.6 The identification of competencies received more attention than the other steps in the process.
The second step involves determining competency components and performance levels. The former includes “tasks” that, either sequentially or in sum, make up the competency. These “tasks” are often referred to as benchmarks or performance indicators. They must be measurable and in the aggregate determine achievement of the specific competency. Performance criteria set the threshold for demonstrating competence.2 The expected performance level for each benchmark must be clearly defined to determine whether competence has been achieved. The educator must then determine the methods by which the competency might be attained, such as through didactic learning, small-group discussions, or on-site experiences, or via information technology.14
The third step determines how the attainment of competence will be assessed. Criterion-referenced measures that compare performance against a set standard or threshold are the preferred methods.2 The normative-based assessment, typical of the structure- and process-based curriculum, compares the student's performance with that of a peer group. However, this assessment fails to provide a clear understanding of what a student can or cannot do, and cannot determine which, if any, benchmarks or performance indicators have been met.20 As the final step, the competencies, attainment procedures, and assessment system are validated.2
While several studies in the 1970s and 1980s furnished a practical description of the competency-based curriculum development process,2,12,14,21,22 only one provided a comparison between a competency-based curriculum and the traditional structure- and process-based one.9 Thurman and Sanders split a class of radiology technician students to receive either a traditional or a competency-based instructional method for one learning block.9 While the groups were small (n = 6 and 5, respectively) and the participants not masked with regard to study group, scores on the post-test assessments were significantly higher than those on the pre-test assessments among the competency-based group. A study from the nursing literature that evaluated participants of competency-based workshops likewise showed improvements in effectiveness and efficiency of specific skills.23
Although the medical education process during the 1970s included generally defined competencies, corresponding curricular objectives or benchmarks to describe the competencies were inadequate. Residency programs classically contained superficial curriculum guidelines without clear definitions of expected competencies.24 Despite the prediction of Dunn et al. that competency-based education was an “idea whose time seems to have come,” the competency movement of this era dwindled.18 The lack of a direct link between the desired competencies and curricular objectives, as well as inadequate assessment tools to evaluate competence, may have contributed to its demise.
THE LAST DECADE
At the beginning of the decade, and coincidentally with revisions in the Essential Requirements for Residency Training in Family Medicine by its residency review committee (RRC), the Society of Teachers of Family Medicine promulgated a new curriculum, entitled “Essentials for Family Practice.”25 It contained a visionary proposal to develop competency-based curricula and provide objective measurements of competence for each rotation. The authors cautioned against a focus limited to those competencies that can be measured rather than those that need to be learned. The nursing literature shared the concern that emphasis on skill acquisition, which is more easily measured, may replace the development of necessary cognitive and critical thinking26 as well as the interpersonal skills needed for effective patient interaction.27,28
Brown University School of Medicine serves as a model of an institution that has recently adopted the paradigm shift to competency-based education through the MD2000 project.29 Faculty were intimately involved in the process of defining nine abilities all students must attain prior to graduation and translated each ability into observable behaviors rated at three levels of competence: beginning, intermediate, and advanced. They then developed new assessment methods based on clear performance criteria. Students were required to demonstrate application of knowledge with certification in each course, as well as attain an intermediate level of competence in all nine abilities and an advanced level in problem solving. Preliminary results on the United States Medical Licensing Examination indicate current students' scores are at the national mean and their pass rates slightly above the mean, using this new educational strategy.30
The Baylor College of Dentistry undertook an extensive process of curriculum reform similar to the MD2000 project. The authors noted the importance of developing a competency-based curriculum as an integral part of the school's strategic plan, as well as capitalizing on new accreditation requirements to facilitate change. Including faculty in significant and continuing ways throughout the process emerged as an important feature. The process also required administrative support for developing, managing, and assessing the curriculum, and assurance that the planning process was clearly linked to an assessment plan. The curriculum creators also developed various methods for assessment of students' competence, incorporating evaluations from many observers in different situations to make the final assessments. Observing students doing real work, keeping the faculty close to the assessment process, designing a curricular review process that is competency-based, and developing a competency document that focuses on beginning professional practice were all important to the success of curricular revision. Other dental educators have likewise identified competency-based education as a critical foundation for their education programs.31–34
On a smaller scale, additional studies have explored the effect of a competency-based program for selected medical school rotations and residency programs. A pilot program to assess the value of a competency-based clinical skills assessment program was undertaken for third-year medical students during their surgical clerkship.35 Scores on the check-list skills assessment correlated poorly with those from the standard global evaluation forms and those on standardized national board examinations, but improved when students attended an orientation session with clear delineation of expectations. Martin et al. demonstrated improvement in clinical skills and patient care when a competency-based instruction module on three invasive procedures was introduced into a surgery residency program.36 Pre-testing, group instruction, and hands-on teaching resulted in residents' reducing their failure and complication rates in all three procedures in the laboratory. This effect translated into a documented reduction in the residents' trauma resuscitation time in the clinical arena.
Few specialties in medicine have undertaken total restructuring of their curricula into a competency-based model. As part of the Brown MD2000, the faculty developed a competency-based curriculum in preventive medicine.37 On a broader scale, national educators in preventive medicine embarked on a project to develop competencies using a consensus process.38 Engaging faculty and other stakeholders proved to be one of the most critical ingredients for success.39,40 Indicators were defined for each competency to distinguish successful from unsuccessful performance and identify superior performance. By addressing the reliability, validity, and predictive validity, educators attempted to ensure results would be predictive of future success as a specialist.
Through the 1990s much of the literature focused on the debate surrounding the evaluation of competence. Does a minimum threshold exist that defines one as competent versus incompetent? Chambers and Glassman suggested five stages, beginning with novice; progressing through beginner, competent, and proficient; and culminating in expert.41 For the novice, the focus concerns isolated facts that tests can evaluate. For the beginner, synthesis and integration of information learned in seminars, in labs, and through supervised work are evaluated via simulations. The competent individual functions as an independent learner and practices in a realistic work setting. Evaluation is authentic and comprises portfolios that contain ratings of supervisors, exemplary products, and test cases. Professional identity and norms characterize proficiency, which is achieved by socialization and specialized training and evaluated by work-related markers. The expert—at the highest level of competence—has an internalized, patient-centered focus, learns through self-direction, and relies on self-assessment and internalized standards of evaluation.
The nursing literature also addressed the need for real-world observation in the evaluation of seasoned nurses, pointing out that current methods are typically geared to beginners.26 Defined competencies are needed for supervisors to assess staff nursing skills adequately and identify areas requiring remediation.42,43 Competency-based instruction is preferred for adult learners, who tend to be self-directed and willing to assume responsibility in the learning process.44,45 Citing similarities between the competency-based model and the adult-learning theory model, studies have highlighted the feedback and evaluation processes that are essential components of active learning.46 Allowances for differences in learning style and remediation and re-assessment of students who do not meet standards must be considered.47 One earlier study described the “clinical contract” as a strategy to evaluate clinical performance by identifying how, when, what, where, and by whom the clinical performance will be evaluated.48 The teacher, acting as facilitator, designs the clinical learning contract based on the elements of adult learning. The individual nature of curricular design is consistent with the concept that attainment of competence is dependent on individual progress. Recently, neurosurgery residents have attained procedural competencies with individually paced learning much sooner than with fixed time schedules.49 As such, one may conclude that certification of competence should be independent of time, replacing the predetermined fixed length of training for each subspecialty.
The competency movement has also received some attention in the international arena. For example, a decade of evolving curricular reform of medical education in Canada has set the precedent for competency-based education from undergraduate programs through the maintenance of certification.50,51 The Web site of the Royal College of Physicians and Surgeons not only focuses on competency-based graduate medical education but places a major emphasis on competence in practice through the maintenance of certification programs.52 The Educational Commission for Foreign Medical Graduates requires the Clinical Skills Assessment for international medical students seeking training in the United States, which likewise demonstrates the recent focus on evaluation of competence through the use of standardized patients.53
Several other countries have reported various efforts at incorporating competency-based training and evaluation for medical students,54–57 residents,58,59 and practicing physicians.7,60,61 The nursing profession in Australia undertook a review of the literature on competency-based learning as early as 1982.62 Unfortunately, these reports were hampered by a lack of standardized terminology. While assessing and enhancing “competence” is mentioned as the goal in each of these publications, wide variation exists in the extents to which true competency-based learning objectives were instituted. Australian nursing competencies are being written and will be uniform throughout the country,63 although some raise concern that the competencies may control the curriculum.28 In the United Kingdom, a method of measurement and evaluation of performance was developed for nurses for use within their first year of employment. Initial results of an in-depth audit showed that measurement instruments developed were clear indicators of performance, although longterm validity studies are pending.64 At the residency level, one interesting study compared competency-based evaluation with more subjective supervisors' evaluations of a large cohort of residents.58 When subjectively evaluated by their supervisors, the majority of residents were judged “competent.” Less than 2% of residents were found competent when more objective criteria were used.
In collaboration with American colleagues and the Chinese Medical Board of New York, three Chinese medical schools incorporated standardized patient programs.56 One year after implementation, participating students significantly outperformed their counterparts who were not enrolled. The new curriculum has been rapidly incorporated and has led to measurable improvement in students' clinical skills, in both increased performance scores and decreased variation among students.
THE NEW MILLENNIUM
The driving force behind the recent joint effort of the ACGME and the ABMS to shift from structure- and process-based to competency-based medical education is accountability to the public, particularly in light of the reliance on public funding.65 Outcomes-based data are needed for informed discussions with policy leaders focused on funding graduate medical education and patient safety. Also, the current system does not directly measure the quality of the educational outcomes of a program. At the February 1999 meeting, the ACGME endorsed six general competencies as the foundation of all graduate medical education: (1) patient care, (2) medical knowledge, (3) practice-based learning and improvement, (4) interpersonal and communication skills, (5) professionalism, and (6) systems-based practice. Some minimal language to address the competencies is being incorporated into the requirements for residency training for each RRC; however, the timeline for full implementation and evaluation will span the next decade.
Review of the literature over the last three decades reflects a defined movement toward competency-based curricula and outcomes evaluation. Despite societal forces for documented competence among medical professionals, widespread adoption is not yet a reality. In addition, our review revealed little scientific evidence evaluating the outcomes of competency-based education. What evidence does exist clearly favors competency-based education over the current structure- and process-based model. Nonetheless, several lessons may be learned from the available evidence. Of critical importance is the strategic planning phase of identifying and defining competencies needed for professional practice. A series of benchmarks or performance indicators describing the outcome expectancy of each competency must be outlined.66 The knowledge, skills, and attitudes underpinning each competency need to be clearly written, measurable, and in summation reflect the achievement of that competency. The threshold for achieving competence must be predetermined. Assessment tools must be specifically matched to the competency to effectively evaluate outcomes. Evaluation should reflect real-world observation and consist of a “portfolio” of assessment tools. Faculty and learner buy-in with consensus building and coupling with strong administrative support are crucial every step of the way. The final step in achieving successful implementation is to ensure that those intimately involved with this process assume responsibility for the creation of faculty development programs for the clinician educators who teach our trainees.
The challenges identified in the conclusion of The Federated Council of Internal Medicine's Resource Guide for Residency Education include coordinating medical student and residency curricula, expanding programs for faculty development, creating better systems of evaluation, and garnering the resources to develop learner-centered residency programs.67 In addition, active rather than passive learning needs to provide the infrastructure for the educational process. This will require a change in ethos on the teacher's part as well as the learner's, resulting in “socialization into the new paradigm.”30
PRESCRIPTION FOR THE FUTURE HEALTH AND WELL-BEING OF MEDICAL EDUCATION
Much descriptive work has defined competencies and outlined processes that can be used in creating competency-based curricula. Assessment tools to evaluate competence have received less attention. The creation of tools that are valid, reliable, and predictive of future success is our immediate challenge. As educators we must take the lead in defining and studying the outcomes that result from this paradigm shift to competency-based education with the same rigor we use in basic science laboratories and randomized clinical trials. Only then will we know whether competency-based training produces more competent physicians, and whether the paradigm shift of the new century is as significant as the Flexnerian revolution of the last one.
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