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Prodromal Questionnaire–Brief Version (PQ-B)

Prodromal Questionnaire–Brief Version (PQ-B) Test

Helps gauge early warning signs of psychosis in about 4 minutes. A quick 21 item screener that flags subtle concerns and guides timely referral for fuller evaluation.

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Questions: 214 minutes

Hi! My name is Freudly, i am an AI therapist, I will give you an interpretation of the test after you complete it.

08:30

October 2, 2025

October 2, 2025
Material has been updated

October 2, 2025
Material has been published

15,972 views

1,646 completions

1,280 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

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How the Scales are Structured

example score

65/105

Distress (D)

Measures the intensity of anxiety-related distress associated with prodromal symptoms.

Low

Elevated

0 – 20: Low | 21 – 105: Elevated

A score of 65 falls in the Elevated range, indicating a high level of anxiety-related distress linked to the reported experiences.

example score

12/21

Symptoms (S)

Counts the number of self-reported prodromal experiences that may be associated with elevated psychosis risk.

Low symptom count

Elevated (screen positive)

0 – 5: Low symptom count | 6 – 21: Elevated (screen positive)

A score of 12 falls in the elevated range, indicating a higher number of reported prodromal symptoms on this screening scale.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Teens and young adults

44%OF USERS

People in their teens or early 20s who notice unusual thoughts, perceptions, or changes in mood and functioning and want a quick screening.

Clients in counseling

33%OF USERS

People already seeing a counselor or therapist for anxiety, depression, trauma, or stress who are experiencing confusing or worrying symptoms that might need further evaluation.

At-risk family members

23%OF USERS

People with a family history of psychotic disorders or recent substance-related concerns who want to check early warning signs and decide whether to seek specialist care.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

RESULTS YOU CAN ACTUALLY USE

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Used in 52+ countries

Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

Anxiety (A)

Average

54.9

Normal range

36.6 — 73.1

min.

max.

105

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

Symptoms (S)

Average

7.2

Normal range

3.4 — 11

min.

max.

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this questionnaire screen for?

It screens for experiences and symptoms that may indicate elevated risk for a psychotic-spectrum disorder. It is intended for early identification rather than diagnosis.

Who is this questionnaire intended for?

It is used for individuals who report unusual perceptual experiences, odd beliefs, or recent changes in thinking or functioning. It is often used with adolescents and young adults, or other groups considered at increased risk.

How long does it take and what is the format?

It includes 21 items and typically takes about 4 minutes to complete. Responses are based on recent feelings and experiences.

How should results be interpreted?

A positive screen indicates that further clinical assessment is recommended. Results should be considered alongside interview findings and other measures.

Is any preparation required before completing it?

No special preparation is required. The measure should be completed in a quiet setting and answered as accurately as possible.

WHAT THE TEST MEASURES

About This Assessment

Brief Prodromal Questionnaire, PQ-B Test

Prodromal Questionnaire–Brief Version (PQ-B) Test - Symptoms and Signs

psychopathology schizophrenia

This brief self-report screener is used to identify possible early signs associated with emerging psychosis. The Prodromal Questionnaire-Brief Version (PQ-B) is intended to support initial risk detection and guide decisions about whether further assessment is warranted.

Respondents answer 21 items regarding recent experiences and perceptions, typically requiring about 4 minutes to complete. It is commonly used in clinical or counseling settings as part of an initial screening process and should not be interpreted as a standalone diagnostic tool. When indicated, elevated scores may prompt more comprehensive evaluation.

The Prodromal Questionnaire-Brief Version (PQ-B) is cited by psytests.org (2023) and is generally administered alongside other clinical information to inform referral and next-step assessment planning.

Author: psytests.org (2023)

Literature: Loewy, R. L., Pearson, R., Bearden, C. E., & Cannon, T. D. Psychosis risk screening with the Prodromal Questionnaire–Brief Version (PQ-B). Schizophrenia Research. 2011.

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