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sexology

Male Sexual Formula Test

Take the online Male Sexual Formula Test - AI psychologist FreudlyYou can take Male Sexual Formula Testhere. Online version of a simple and accurate psychological test with interpretation.en
Understand key areas of your sexual health in about 2 minutes. Get clear, objective insights that help guide care and track progress over time.
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Questions: 102 minutes
08:30
October 2, 2025
October 2, 2025
Material has been updated
October 2, 2025
Material has been published
24,751 view
3,123 completions
2,525 likes
Verified by Daniel Hall
Psychologist with 25 years of experience
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Scale Explorer

How the Scales are Structured

example score
2/4
Duration of Dysfunction (DoD)
Measures how long ago sexual-sphere difficulties first appeared to capture the time course of the concern.
Recent onset
Long-standing
0 – 2: Recent onset | 3 – 4: Long-standing
A score of 2 falls in the Recent onset range, suggesting the difficulties began relatively recently rather than being long-standing.
example score
5/12
Third Triad (TT)
Assesses how a man subjectively evaluates and reflects on his past sexual activity and experience.
Low
Elevated
High
0 – 8: Low | 9 – 11: Elevated | 12: High
A score of 5 falls in the Low range, suggesting relatively limited or less pronounced subjective emphasis on evaluating past sexual experiences.
example score
10/12
Second Triad (ST)
Measures objective parameters of sexual act execution, reflecting the quality and characteristics of the sexual encounter.
Lower objective execution
Higher objective execution
0 – 8: Lower objective execution | 9 – 12: Higher objective execution
A score of 10 falls in the higher objective execution range, suggesting generally strong objective characteristics of the sexual encounter on this scale.
example score
3/12
First Triad (FT)
Measures arousal and preparatory readiness in the early stages of the copulatory cycle before intercourse.
Low
Typical
High
0 – 8: Low | 9 – 11: Typical | 12: High
A score of 3 falls in the Low range, suggesting relatively reduced arousal and preparatory readiness in the pre-intercourse phase compared with higher scores on this scale.
example score
12/40
Overall (Prognostic) Index (OI)
This scale summarizes overall sexual functioning across all MSF triads as a single prognostic index.
Lower overall functioning
Higher overall functioning
0 – 29: Lower overall functioning | 30 – 40: Higher overall functioning
A score of 12 falls in the lower overall functioning range, suggesting reduced cumulative sexual functioning across the assessed domains compared with higher scores.
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just completed the test
DATA-BASED USER COHORTS

Who Usually Takes This Test?

Men with sexual concerns
41%OF USERS
Men who notice changes in desire, arousal, erection, or satisfaction and want a clear snapshot of what’s happening.
Pre-visit self-checkers
34%OF USERS
Men preparing for a sexology or urology appointment who want to organize symptoms and discuss them more confidently.
Treatment progress trackers
25%OF USERS
Men already in therapy or under medical care who retake the test to monitor dynamics and adjust the plan with a specialist.
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
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.
Duration of the disorder (Dotd)
Duration of the disorder (Dotd)
Average
2.8
Normal range
2.1 — 3.6
min.
0
max.
4
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.
The third triad (Ttt)
The third triad (Ttt)
Average
5.6
Normal range
3.5 — 7.7
min.
0
max.
12
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.
Second Triad (ST)
Second Triad (ST)
Average
7.7
Normal range
6.2 — 9.3
min.
0
max.
12
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.
The First Triad (TFT)
The First Triad (TFT)
Average
3.8
Normal range
2 — 5.5
min.
0
max.
12
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.
Overall (prognostic) indicator (O(i)
Overall (prognostic) indicator (O(i)
Average
13.9
Normal range
7.5 — 20.3
min.
0
max.
40
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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SAMPLE QUESTIONS

Example Questions From the Test

    • Never, or no more than once a year.
    • Several times a year, but no more than once a month.
    • 4 times a month.
    • Twice a week or slightly more often.
    • Daily, once or several times.
    • Not at all, or only at intervals of one year or more.
    • Several times a year, but no more than once a month.
    • Several times a month, but no more than once a week.
    • Twice a week or more often.
    • Daily, once or several times.
    • Does not occur at all, or no more than once per year.
    • Several times per year, but no more than once per month.
    • Several times per month, but no more than once per week.
    • Twice per week or slightly more often.
    • Daily, once or several times.
These are 3 of the 10 real questions — the rest appear in the test. No sign-up needed to start.
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WHAT THE TEST MEASURES
About This Assessment
Male Sexual Formula, MSF Test

Male Sexual Formula Test - Symptoms and Signs

sexology

In clinical sexology settings, the Male Sexual Formula is used as a brief, structured self-report measure to support an initial overview of key aspects of a man’s sexual functioning and related concerns. It is intended to provide a standardized snapshot that can help organize discussion during evaluation.

The instrument includes 10 items and typically takes about 2 minutes to complete. It was originally described by William H. Masters and Virginia E. Johnson. The Male Sexual Formula may be used to aid clinical documentation and to monitor change over time when repeated, with results interpreted in the context of the individual’s history, relationships, medical factors, and presenting concerns.

Author: Virginia E. Johnson, William H. Masters
Literature: Bancroft, J. Human sexuality and its problems. Churchill Livingstone. 1989.
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