Differential Diagnostic Questionnaire Test
Learn where your career interests fit across five work styles in about 15 minutes. Get clear, actionable direction to explore roles that match how you naturally think and work.
08:30
Scale Explorer
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.
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.
Below is a preview of how scores are typically distributed across each scale.
Man-Nature (M)
Man-Nature (M)
Average
4.5
Normal range
3.4 — 5.6
min.
0
max.
7
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.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Human-Technician (H)
Human-Technician (H)
Average
2.3
Normal range
0.8 — 3.8
min.
0
max.
8
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.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Person-to-Person (P)
Person-to-Person (P)
Average
6.2
Normal range
4.8 — 7.6
min.
0
max.
9
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.
Once you complete the test, your result will appear on the scale so you can see how you compare.
The Person as a Sign System (TPaaSS)
The Person as a Sign System (TPaaSS)
Average
3.2
Normal range
2.1 — 4.3
min.
0
max.
8
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.
Once you complete the test, your result will appear on the scale so you can see how you compare.
The person as an artistic image (Tpaaai)
The person as an artistic image (Tpaaai)
Average
5
Normal range
4 — 6
min.
0
max.
8
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.
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
- Care for animals.
- Maintain machines or equipment (monitor, adjust).
- Helping people who are ill and treating them
- Creating tables, diagrams, or computer programs
- Processing materials (wood, fabric, plastic, metal, etc.)
- Bringing products to consumers (advertising, selling).
WHAT THE TEST MEASURES
About This Assessment
Differential Diagnostic Questionnaire Test - Symptoms and Signs
This measure is a brief self-report questionnaire intended to support differential screening of vocational interests and preferences. The Differential Diagnostic Questionnaire presents paired, forced-choice statements to elicit an individual’s relative orientation toward broad occupational domains.
It consists of 20 items and typically takes about 15 minutes to complete. Item content is designed to differentiate preferences across five categories (e.g., nature-focused, technical, interpersonal, symbolic/information-oriented, and artistic domains), which may be used to inform career counseling or exploratory assessment. The Differential Diagnostic Questionnaire is attributed to Robert L. Spitzer and Janet B. W. Williams.
Author: Janet B. W. Williams, Robert L. Spitzer
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