1.3 General Exam Areas (GEAs) & Scaled Scoring Dynamics

Key Takeaways

  • NPLEX Part I is evaluated across two distinct General Exam Areas: GEA 1 (Structure & Function) and GEA 2 (Disease & Dysfunction).
  • Candidates must achieve a scaled passing score of 75 or higher on BOTH GEA 1 and GEA 2 independently to pass NPLEX Part I.
  • Failing a single GEA results in an overall fail for NPLEX Part I; NABNE requires candidates who fail either GEA to retake the entire 200-item examination at a subsequent administration.
  • Scaled scores are calculated using Angoff standard-setting methods to ensure consistent passing standards across different exam forms.
Last updated: July 2026

1.3 General Exam Areas (GEAs) & Scaled Scoring Dynamics

Understanding how performance is evaluated and scored on the NPLEX Part I is critical for developing a balanced study plan. NABNE does not evaluate candidates using a simple raw percentage cutoff across all 200 items combined. Instead, items are grouped into two distinct General Exam Areas (GEAs), and candidates must pass both GEAs independently to pass NPLEX Part I. This scoring architecture ensures that candidates demonstrate proficiency across both normal biological structures/functions and disease pathophysiology.


The Dual General Exam Area Structure

The five core biomedical disciplines of NPLEX Part I are categorized into two General Exam Areas based on their biological focus:

GEA 1: Structure & Function

GEA 1 integrates the foundational sciences focused on normal human biological structure, molecular mechanisms, and physiological homeostasis. It comprises three core disciplines:

  • Anatomy (Gross Anatomy, Histology, Neuroanatomy, Embryology)
  • Physiology (Cellular and Organ-System Physiology)
  • Biochemistry & Genetics (Metabolic Pathways, Molecular Genetics)

GEA 1 accounts for 60% of total exam items (~120 questions out of 200).

GEA 2: Disease & Dysfunction

GEA 2 integrates the biomedical sciences focused on abnormal biological states, infectious etiologies, immune responses, and disease mechanisms. It comprises two core disciplines:

  • Microbiology & Immunology (Bacteriology, Virology, Mycology, Parasitology, Immunology)
  • Pathology (General and Systemic Pathology)

GEA 2 accounts for 40% of total exam items (~80 questions out of 200).

General Exam Area (GEA)Disciplines IncludedRelative Weight (%)Approx. Item Count
GEA 1: Structure & FunctionAnatomy, Physiology, Biochemistry & Genetics60%~120 Items
GEA 2: Disease & DysfunctionMicrobiology & Immunology, Pathology40%~80 Items

Scaled Scoring and Standard Setting

NABNE employs a scaled scoring system to evaluate candidate performance. Raw scores (the actual number of questions answered correctly) are mathematically converted to a standardized scale ranging from 0 to 100, where a scaled score of 75 represents the passing threshold.

Standard Setting (Modified Angoff Method)

The passing standard is established using a criterion-referenced standard-setting procedure known as the Modified Angoff Method. A panel of expert naturopathic physicians and biomedical educators reviews every exam item to estimate the probability that a minimally competent candidate would answer the item correctly. The sum of these probabilities establishes the raw passing score threshold for that specific exam form.

Because different exam forms may contain items of slightly varying psychometric difficulty, raw-to-scaled score conversion scales calibrate for difficulty differences across forms. This guarantees that candidates taking different forms face an equitable, identical passing standard:

  • A scaled score of 75 signifies that the candidate met the minimum passing competence standard.
  • A scaled score below 75 indicates that the candidate did not meet the passing standard.

Independent Passing Requirement & Single-GEA Failure

To pass NPLEX Part I, candidates must achieve a scaled score of 75 or higher on BOTH GEA 1 and GEA 2 independently during the same administration. High performance on one GEA cannot compensate for failing the other.

Scenario Analysis

  • Candidate A: Achieves GEA 1 = 82, GEA 2 = 78. -> PASS NPLEX Part I (Passed both GEAs).
  • Candidate B: Achieves GEA 1 = 88, GEA 2 = 72. -> FAIL NPLEX Part I (Failed GEA 2, despite high GEA 1 score).
  • Candidate C: Achieves GEA 1 = 71, GEA 2 = 70. -> FAIL NPLEX Part I (Failed both GEAs).

Retake Policy After a Single-GEA Failure

If a candidate fails either GEA, the result is an overall fail for NPLEX Part I. NABNE policy requires the candidate to retake the entire 200-item examination (both GEA 1 and GEA 2) at a subsequent scheduled administration; a passing score on one GEA from a prior administration is not carried over or banked. Candidates must reapply through the NABNE applicant portal and pay the applicable reexamination fee. Because most CNME-accredited ND programs require Part I for clinical rotation eligibility, a fail can delay progression, so remediation should target the deficient GEA's disciplines (Structure/Function or Disease/Dysfunction) while still reviewing the full blueprint before the next attempt.


Official Score Reporting & Transcripts

Exam results are released approximately 7 weeks following the close of the testing window, once NABNE's post-test analysis and scoring process is complete. Official score reports are uploaded to the candidate's NABNE online account and transmitted directly to the candidate's CNME-accredited institution and designated state or provincial regulatory licensing boards.

  • Passing Candidates: Receive a score report indicating PASS for GEA 1 and PASS for GEA 2. Scaled score numbers are generally withheld for passing candidates to emphasize pass/fail status.
  • Failing Candidates: Receive a detailed diagnostic performance report displaying their numerical scaled score for any failed GEA (e.g., 71/100) alongside sub-discipline performance indicators (e.g., Below Standard, Near Standard, Above Standard). This diagnostic breakdown is invaluable for structuring remedial study prior to re-examination.
Test Your Knowledge

Which disciplines are combined to form General Exam Area 1 (GEA 1: Structure & Function)?

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Test Your Knowledge

What is the scaled score threshold required to pass each General Exam Area on NPLEX Part I?

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Test Your Knowledge

What is the outcome for a candidate who scores a scaled 84 on GEA 1 but a scaled 71 on GEA 2?

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