Scale of Prodromal Symptoms (SOPS) Test
In about 4 minutes, this test clarifies early warning signs linked to schizophrenia risk across thoughts, mood, motivation, and daily functioning. It provides a fast, reliable way to track severity and guide next steps.
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08:30
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How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
RESULTS YOU CAN ACTUALLY USE
What You’ll See After You Finish the Test
Benchmarking
See How You Compare
Once you finish the test, your results will be compared with real-world data from people in your country.
Below is a preview of the benchmarks we use to place your score in context.
Below is a preview of the benchmarks we use to place your score in context.
General Symptoms (GS)
Average
7.5
Normal range
4.6 — 10.4
min.
0
max.
24
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Degree of disorganization (Dod)
Average
17.8
Normal range
13.6 — 22
min.
0
max.
24
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Negative Symptoms (NS)
Average
11.5
Normal range
6.8 — 16.2
min.
0
max.
36
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Positive symptoms (Ps)
Average
18.7
Normal range
14.1 — 23.2
min.
0
max.
30
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Total score (Ts)
Average
85
Normal range
66.2 — 103.9
min.
0
max.
114
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
General Symptoms (GS)
Average
2.8
Normal range
2.3 — 3.3
min.
0
max.
4
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Degree of disorganization (Dod)
Average
2.6
Normal range
2.1 — 3.1
min.
0
max.
4
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Negative symptoms (Ns)
Average
1.9
Normal range
0.9 — 2.9
min.
0
max.
6
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
Positive symptoms (Ps)
Average
3.2
Normal range
2.5 — 3.8
min.
0
max.
5
majority
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear here so you can see where you land.
Once you complete the test, your result will appear here so you can see where you land.
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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions
Any questions left?
What is the purpose of this scale?
It screens for early, subthreshold symptoms associated with risk for developing a psychotic disorder. It supports timely clinical follow-up and monitoring.
What symptom areas are rated?
It rates positive symptoms, negative symptoms, disorganization, and general symptoms. Ratings reflect the presence and severity of recent changes.
How is the assessment conducted?
A trained clinician asks structured questions and assigns severity ratings based on reported experiences and observed behavior. The focus is on current and recent symptoms.
How long does it take and how many items are included?
Estimated completion time is about 4 minutes. The scale includes 19 items.
How should the results be interpreted?
Scores indicate symptom severity and can be used to track change over time. Results are not a standalone diagnosis and should be interpreted with a clinical evaluation.
WHAT THE TEST MEASURES
About This Assessment
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Scale of Prodromal Symptoms (SOPS) Test
This measure is used to structure the assessment of early, subthreshold psychotic-like experiences and related clinical features. The Scale of Prodromal Symptoms (SOPS) provides a standardized way to rate symptom presence and severity in individuals for whom an attenuated psychosis-risk presentation is being considered.
It consists of 19 items and typically takes about 4 minutes to administer. Items are commonly organized across positive, negative, disorganization, and general symptom domains, supporting symptom monitoring over time and informing clinical formulation. Developed by Scott W. Woods and Thomas H. McGlashan, the Scale of Prodromal Symptoms (SOPS) is intended for use by trained clinicians and should be interpreted in the context of clinical interview findings and other relevant information.
Author: Scott W. Woods, Thomas H. McGlashan
Literature: Yung, A. R., McGorry, P. D., McFarlane, C. A., Jackson, H. J., Patton, G. C., & Rakkar, A. Threshold psychosis and prodromal features: a prospective epidemiological study. Schizophrenia Bulletin. 1996.; Miller, T. J., McGlashan, T. H., Woods, S. W., Stein, K., Driesen, N., Corcoran, C. M., Hoffman, R., & Davidson, L. Symptom assessment in schizophrenic prodromal states. Psychiatric Quarterly. 1999.
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