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June 2025 FRCR Part 2B (Radiology) - CR2B - scoring system

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Please note details referenced below will be applicable from the June 2025 exam diet onwards. CR2B exams prior to this will continue to be delivered in the current scoring system format.

See the current CR2B exam guidance

Context

The FRCR Part 2B Exam consists of three scoring components: an Oral assessment; Long Case reporting and Short Case reporting. Established and recognised standard setting methodologies (Angoff and Ebel) are used to determine the pass mark for the exam. Each component will have its own standard set pass mark and candidates must reach the standard across all three components in order to achieve an overall pass at the exam (with some allowance for borderline scores – see section on overall scoring). It is not possible to carry forward a pass in any one component from a previous sitting. If an overall fail result is awarded, candidates must re-sit the entire exam. 

Oral component

Candidates are assessed across two 30-minute Oral stations. At each station candidates will be presented with six cases. There are two examiners present at each station and each case will be independently marked by both examiners. All cases are assessed across the four following skill domains: 

  • Radiology knowledge
  • Observation
  • Clinical reasoning 
  • Clinical safety and management.

Each examiner will rate a candidate’s performance for each of the domains per case using the following rating scale:

Score Marking descriptors
Excellent Display positive domain characteristics at a level well above that expected.
Clear pass Display of positive domain characteristics is predominant overall.
Some minor negative characteristics are displayed.
Competence is clearly demonstrated.
Just pass Display of positive domain characteristic is predominant by a small margin.
Should be able to provide some of the positive characteristics without the need for prompting, i.e. not require prompting for all of them.
Some negative characteristics are displayed but they are not in the majority or decisive with a potential to be dangerous or harmful to patients.
A minimum level of competence is achieved.
Borderline fail No predominance of positive or negative domain characteristics displayed.
Negative characteristics displayed not potentially harmful to patients.
A barely adequate level of competence is achieved.
Fail Display a majority of negative domain characteristics.
Negative domain characteristics displayed are potentially harmful to patients.
The required level of competence is not achieved.

Communication domain

Additionally, at each station examiners will assess the communication domain. This is a rating based on performance across all six cases in the station. Candidates are rated using the same rating scale as above.

Example of a candidate’s scoring for one station from one examiner:

CASE

Knowledge

Observation

Clinical reasoning

Clinical safety and management

1

E

CP

JP

BF

2

JP

JP

JP

F

3

E

CP

JP

B

4

CP

CP

BF

BF

5

CP

E

CP

CP

6

JP

CP

CP

JP

Communication 

CP

After the exam, all ratings are converted to numerical format (0-4) as follows:

Excellent (E) = 4
Clear pass (CP) = 3
Just pass (JP) = 2
Borderline fail (BF) = 1
Fail (F) = 0

As the communication score is assessed per station, it is multiplied by six to ensure it has the same weighting as the other four skill domains. 

Scores from all examiners (across both stations) are then totalled to give the candidate’s total score (out of a maximum of 480). The marking framework permits a difference of up to five marks between the two examiners per case. Any score difference of six or above per case will be flagged for review and discussion. 

The pass mark of 281 (58.5%) has been determined via the Ebel/Angoff standard setting methodology. This is applied to the candidate’s total score to determine their pass/fail outcome for the Oral exam.

Long Case reporting

Candidates report on six cases and have the opportunity to attain five marks for each case, so a maximum of 30 marks across the exam. No half marks are awarded. Candidate responses are independently double marked and the final score awarded will be the average of the two examiner marks. The marking framework permits a difference of up to one mark between the two examiners. Any score difference of two or above will be flagged for review and discussion. 

All questions include question specific marking guidance to indicate key findings, diagnosis and recommended onward management. Examiners will use the following mark scheme descriptors alongside the marking guidance to support mark allocation:

Score Marking descriptors
5

Detects all major findings and most minor observations.

Makes correct diagnosis or differential diagnoses using clinical information provided.

Makes safe further management plans with clear recommendations (including MDT or specialist referral if appropriate).

Demonstrates a clear understanding of likely further management required by different MDTs.

Report is clear, logical and concise.

May demonstrate knowledge beyond the core curriculum.

4

Detects most major findings (including those marked essential) and most minor observations.

Makes correct diagnosis or differential diagnoses using clinical information provided.

Makes safe further management plans with clear recommendations (including MDT or specialist referral if appropriate).

Report is clear, logical and concise.

3

Detects most major findings (including those marked essential) and some minor observations.

May or may not reach the correct diagnosis but demonstrates sensible clinical reasoning.

Safe differential diagnoses offered.

May not know full management plan but demonstrates enough knowledge not to compromise patient safety.

Report is clear although it may not be ideally structured

2

Fails to detect most major/critical (essential) observations.

Fails to make correct diagnosis or provide reasonable differential diagnoses.

Inappropriate further management or failure to refer to appropriate MDT.

Unstructured, scattergun report.

1

Fails to detect major observations or places undue importance on minor or incidental observations.

Makes an incorrect or inappropriate diagnosis, failing to consider clinical information. 

Incoherent, rambling report.

0

No answer provided or answer is entirely incorrect or inappropriate/unsafe patient management.

An Angoff standard setting process is used to set the pass mark for each sitting based on the content used.

Short Case reporting

Candidates report on 25 cases and have the opportunity to attain five marks per case, so a maximum of 125 marks across the exam. No half marks will be allocated. Candidate responses are independently double marked and the final score awarded will be the average of the two examiner marks. The marking framework permits a difference of up to one mark between the two examiners. Any score difference of two or above will be flagged for review and discussion. 

All questions include question-specific marking guidance to indicate key findings, diagnosis and recommended onward management. Examiners will use the following mark scheme descriptors for examiners alongside the marking guidance to score candidates’ responses:

Score Marking descriptors
5

 

Detects all major findings and most minor observations.

Makes correct diagnosis or differential diagnoses using clinical information provided.

Makes safe further management plans with clear recommendations (including MDT or specialist referral if appropriate).

Demonstrates a clear understanding of likely further management required by different MDTs.

Report is clear, logical and concise.

May demonstrate knowledge beyond the core curriculum.

 

4

 

Detects most major findings (including those marked essential) and most minor observations.

Makes correct diagnosis or differential diagnoses using clinical information provided.

Makes safe further management plans with clear recommendations (including MDT or specialist referral if appropriate).

Report is clear, logical and concise.

 

3

Detects most major findings (including those marked essential) and some minor observations.

May or may not reach the correct diagnosis but demonstrates sensible clinical reasoning.

Safe differential diagnoses offered.

May not know full management plan but demonstrates enough knowledge not to compromise patient safety.

Report is clear although it may not be ideally structured.

2

 

Major/critical observations missed.

Undue significance placed on irrelevant or minor findings.

Limited understanding of pathology.

Fails to make correct diagnosis or provide reasonable differential diagnoses.

Failure to refer to appropriate MDT/clinical team or inappropriate over-investigation e.g. MRI and orthopaedic referral for benign bone lesions.

Unstructured, scattergun report.

 

1

 

Major/critical observations missed.

Undue significance placed on minor or incidental findings
Demonstrates no understanding of pathology.

Inappropriate patient management (including over-investigation).

Incoherent, rambling report.

0

No answer provided or answer is entirely incorrect or inappropriate/unsafe patient management.

An Angoff standard setting process is used to set the pass mark for each sitting based on the content used.

Overall scoring

In order to pass the exam, candidates must meet the established pass mark in at least two of the three exam components. Candidates who fail two or more of the three exam components automatically fail overall. Candidates who pass all of the three exam components automatically pass overall. 

For candidates who have met the pass mark for two of the three exam components, a pass overall is given provided that the following additional criteria are met:

  • If the candidate has failed either the Long Case reporting OR Short Case reporting but met the pass mark for the Oral and for one reporting component, they will pass overall if they have scored within one standard error of measurement (SEm) below the pass mark for the failed exam component.
  • If the candidate has failed the Oral exam but met the pass mark in both the Long Case reporting and Short Case reporting exam components, they will pass overall if they have scored within half a SEm below the pass mark for the Oral exam.

The standard error of measurement is a measure of how much measured test scores are spread around a “true” score.

The Gold Award

The Gold Award  can be awarded to an outstanding candidate on recommendation of the Exam Board, based on performance, at each sitting of the exam.  

To be considered for the Award, a candidate must be making their first attempt at the exam and have obtained the highest score overall. In the event of a tie, the candidate with the highest scores in the Oral component will be the recipient of the Award. 

The Gold Award

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