MRCPsych Testing & Evaluation 3

Question 1

A psychiatrist uses the Montreal Cognitive Assessment (MoCA) and finds a patient scores 24/30. What does this suggest?

Accepted Answer

Possible mild cognitive impairment requiring further evaluation

Answer

A MoCA score below 26 suggests possible mild cognitive impairment and warrants further clinical evaluation.

Question 2

Which statistical concept describes the proportion of variance in test scores attributable to true differences between individuals rather than measurement error?

Accepted Answer

Reliability coefficient

Answer

The reliability coefficient (r) represents the proportion of total score variance that is true score variance, with 1.0 indicating perfect reliability.

Question 3

The PANSS (Positive and Negative Syndrome Scale) assesses symptoms in schizophrenia across how many subscales?

Accepted Answer

Three (positive, negative, and general psychopathology)

Answer

The PANSS comprises three subscales: positive symptoms, negative symptoms, and general psychopathology.

Question 4

A study reports Cronbach's alpha of 0.45 for a new anxiety scale. What does this indicate?

Accepted Answer

Poor internal consistency suggesting items may not measure the same construct

Answer

Cronbach's alpha of 0.45 is well below the commonly accepted threshold of 0.70, indicating poor internal consistency.

Question 5

Which assessment tool is the gold standard structured diagnostic interview for DSM/ICD diagnoses in research settings?

Accepted Answer

Structured Clinical Interview for DSM-5 (SCID-5)

Answer

The SCID-5 is the gold-standard semi-structured diagnostic interview widely used in psychiatric research to establish DSM-5 diagnoses.

(MRCPsych) Member of the Royal College of Psychiatrists Practice Test

(MRCPsych) Member of the Royal College of Psychiatrists Practice Test

MRCPsych Testing & Evaluation 3