Transcript Document

“USMLE Step 2 Clinical Skills”
Richard E. Hawkins, MD
National Board of Medical Examiners
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Presentation Structure
• Overview of USMLE Step 2 CS
• Measures to ensure fairness
and consistency
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Overview of USMLE
Step 2 CS
Purpose and Delivery Model
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE: Purpose
• Three step examination system primarily
designed to support the medical
licensing process
• Jointly sponsored by
– Federation of State Medical Boards
(FSMB)
– National Board of Medical Examiners
(NBME)
• Step 2 CS: collaboration with ECFMG
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE: Purpose
• Overall purpose
– Assess physician's ability to apply
knowledge, concepts, and principles, and
to demonstrate fundamental patientcentered skills that constitute the basis
of safe and effective patient care
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE: Purpose
• Overall purpose
– Assess physician's ability to apply
knowledge, concepts, and principles, and
to demonstrate fundamental patientcentered skills that constitute the basis
of safe and effective patient care
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE: Purpose
• Patient-centered Skills
– History taking / Physical examination
– Communication and Interpersonal Skills
– Medical Record Documentation
• Important for safe and effective patient care
– History/PE  Diagnosis and Management
– Communication  Patient Health Outcomes
– Medical Record  Errors and Patient Safety
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE Step 2 CS
• Enhancement to USMLE Step 2
• USMLE Step 2 – components:
– Clinical knowledge (CK)
– Clinical skills (CS)
• Standard for Step 2 – appropriate for
entry into postgraduate training
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE Step 2 CS: Logistics
• Regional delivery model
– Optimal combination of convenience,
cost-efficiency and standardization
• Five regional test centers across US
• Projected examine volume – 30,000+ / year
• Individual center capacity
– 3 examinations / day (33 examinees); up
to 7 days/week
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Requirements of a High Stakes
Performance-based
Examination
Ensuring Fairness and
Consistency
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Threats to Validity and Reliability
• Content and/or tasks not relevant or realistic
• Individual test forms vary in content
coverage
• Scoring methods not appropriate for skills
tested
• Inconsistency in SP portrayal and scoring
– Between cases, across sites, over time
• Level of difficulty of cases / exams
inconsistent
• Standard setting approach appropriate
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE Step 2 CS: Content
• Step 2 CS Blueprint
– Defines content categories
– In meeting blueprint specifications,
each test form provides:
• Adequate sampling of content
domain
• Comparable content between test
forms
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
USMLE Step 2 CS: Content
Blueprint Content Categories:
– Common and important medical problems
/ patient presentations
– Acuity
– Age
– Gender
– Race / ethnicity
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Case Content
Cardiovascular
Respiratory
Gastrointestinal
Musculoskeletal
Constitutional
Neurological
Psychiatric
Genitourinary
Women’s health
Unclassified / multi-system
Case Acuity
Acute
Subacute / Chronic
Test Form
Patient age
Age less than 18
Age 18 – 44
Age 45 – 64
Age 65 +
Patient Gender
Male
Female
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Step 2 CS: Structure & Tasks
• 12 patient encounters
• 15 min. for encounter / 10 min. for patient note
• Each encounter:
– Elicit pertinent history,
Perform appropriate physical examination,
Communicate effectively
– Document:
• Findings from the history and physical
• Diagnostic impression / Further work-up
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Step 2 CS: Score Components
• Integrated Clinical Encounter (ICE)
– Data gathering: history and physical exam
– Patient note
• Communication / Interpersonal Skills (CIS)
– Gathering information; sharing
information; manner & rapport
• Spoken English Proficiency (SEP)
– Listener effort, examinee pronunciation /
word choice
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Scoring Approach: ICE
• Data gathering (Hx / PE)
– Dichotomous checklists completed by SPs
+
• Patient note
– Physician raters using holistic methods
=
• Clinical Process + Clinical Outcome Measure
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Case and Checklist Development
• Iterative Process
– Involves test committees
– Focus on clinical presentation
– Checklists “limited”
– Encounters with SPs
– Appropriateness of content and
difficulty
• Stepwise progression through
pilot and calibration stages
– Validation / refinement via
review of examinee
performance data
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Patient Note
• Holistic scoring
• Rater training
– General policies
– Case specific:
• Consensus development on key
features
– Calibration phase
– Quality Assurance
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Derivation of Communication /
Interpersonal Skills (CIS) Scale
• Initial instrument – validated ECFMG
scale
• Reviewed against national
consensus recommendations and
commonly used scales
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
CIS Subscales
• Data gathering skills
– Open-ended questions, transitional statements,
not interrupting the patient
• Information sharing skills
– Responsiveness to patient questions/concerns,
provision of counseling when appropriate,
avoidance of jargon
• Personal manner and rapport
– Expression of interest in the impact of the illness,
concern for patient comfort and modesty
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Step 2 CS: Scoring
• Reporting is Pass or Fail only
• Examinees must pass all three
subcomponents
• Feedback to examinees
– Performance report – overall and
subcomponent outcomes
– Failing examinees only – graphical
profiles
• Intended to show relative strengths
and weaknesses
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Sample Performance Report
USMLE Step 2 Clinical Skills
P/F Outcome
Total Test
FAIL
-----------------------------------------------------------------------------------------
Examination Subcomponents
Integrated Clinical Encounter
Pass
Fail
Communication/Interpersonal Skills
Spoken English Proficiency
Pass
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Sample Performance Profile
Lower
Performance
Borderline
Performance
Integrated Clinical Encounter
Data Gathering
XXXXXXXXXXXXX
XXXXXXXXXXXXXXXX
Patient Note
Communication /
Interpersonal Skiills
Higher
Performance
XXXXXXXXXXXXXXXX
XXXXXXXXXXXXXX
Spoken English Proficiency
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
XXXXXXXXXXXXX
Threats to Validity and Reliability
• Content and/or tasks not relevant or realistic
• Individual test forms vary in content
coverage
• Scoring methods not appropriate for skills
tested
• Inconsistency in SP portrayal and scoring
– Between cases, across sites, over time
• Level of difficulty of cases / exams
inconsistent
• Standard setting approach appropriate
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Ensuring Fairness and Consistency
• Rigorous SP (and SP trainer) training
• Meticulous attention to quality assurance
• Application of equating procedures
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
SP and SP Trainer Training
Standardized Patients
• Rigorous training –
generic and case
specific
• Electronic delivery
(“Ecase”) of case
materials
• Sign off process for
SPs – Criteria : #
portrayals, tests
SP Trainers
• Adherence to training
protocols
• “Training academy” for
SP trainers
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Quality Assurance
• Begins with the SP sign-off process
• Monitoring procedures and analyses:
– Qualitative (portrayal and scoring
accuracy):
• Live and video review of SP
performances
– Quantitative
• Score-based analyses
• Case level and item level comparisons
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Equating Procedures
• Within site
– SP-case combination
• Between site
– Central video review
Data gathering
Communication and Interpersonal Skills
• Patient note rater – case combination
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Standard Setting
• USMLE Standard Setting System
– Committee assigned responsibility to
establish and monitor standards
• Decision-making process
– Survey of constituent opinion
– Standard-setting exercises by
independent groups
– Examinee performance data and score
reliability
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Conclusions
• Numerous logistical and psychometric
challenges were identified and responses
described
• In order to ensure exam fairness and
consistency:
–
–
–
–
Sound test and case development practices
Intensive SP and SP trainer training
Rigorous quality assurance
Well-considered equating and standard setting
procedures
• Supported by ongoing research on reliability
and validity
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona
Speaker Contact Information
Richard E. Hawkins, MD
National Board of Medical Examiners
3750 Market Street
Philadelphia, PA 19104
215-590-9204 / Fax 215-590-9440
Email: [email protected]
Websites:
http://www.usmle.org
http://www.nbme.org
Presented at the 2005 CLEAR Annual Conference
September 15-17
Phoenix, Arizona