Social Interest Scale (SIS) Test

Understand how connected someone feels to community life and helping others in about 5 minutes. A quick 24 item measure that fits easily into intakes or research with teens and adults.

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Questions: 245 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

25,967 views

1,332 completions

1,087 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

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How the Scales are Structured

example score

7/15

Social Interest (SI)

Measures a person’s motivation to interact, cooperate, and feel connected and useful within the wider community.

Low

Moderate

High

0 – 4: Low | 5 – 10: Moderate | 11 – 15: High

A score of 7 falls in the Moderate range, suggesting a middling level of interest in engaging with others and contributing to community life that may vary with current stress and circumstances.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Counseling and coaching clients

41%OF USERS

People in counseling or coaching take it to understand how connected they feel to others and how motivated they are to contribute to their community.

Students and young adults

34%OF USERS

Students and early-career adults use it to check their sense of belonging in groups and interest in helping others during major life transitions.

Researchers and program evaluators

25%OF USERS

Researchers and evaluators use it as a quick measure of social interest when studying values, motivation, and engagement in social activities.

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

RESULTS YOU CAN ACTUALLY USE

Scale Results
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You’ll receive a structured, clinically-grounded explanation. Our AI analyzes patterns and relationships between scales to provide a coherent interpretation, without exaggerated language.

Statistical
Comparison

See how your results compare to others. Anonymized platform data is used to create a percentile scale, which identifies whether your results are typical.

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Get insights on behavioral and thought patterns you might not notice on your own. By uncovering subtle connections between your responses, you’ll better understand what may be driving your current results.

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Clarify, reflect, and explore your results right away. Talk through your experience, ask questions, and explore meanings in a calm, non-diagnostic dialogue.

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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.

Social Interest Scale (SIS)

Average

10.4

Normal range

8.5 — 12.2

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 measure?

It measures social interest, including interest in community involvement and the importance placed on helping others. Items focus on participation that supports a sense of belonging and usefulness.

Who is it appropriate for?

It can be used with adolescents and adults in clinical, counseling, or research settings. It is appropriate when the goal is to estimate integration into social groups and community-oriented values.

How long does it take and how many items are included?

Administration typically takes about 5 minutes. It contains 24 items.

How should responses be completed?

Each item should be answered based on typical preferences and behavior, not on a single recent event. All items should be answered unless instructions allow skipping.

How should results be interpreted?

Higher scores generally indicate stronger social interest and greater readiness to contribute to social life. Interpretation should be cautious when using translated or adapted versions with limited validation information.

WHAT THE TEST MEASURES

About This Assessment

Krendell Social Interest Scale, SIS Test

Social Interest Scale (SIS) Test - Symptoms and Signs

prosociality

This self-report measure is designed to assess an individual’s orientation toward social engagement, contribution to others, and perceived belonging. The Social Interest Scale (SIS) provides a brief indicator of social interest as a personality-related construct, and may be used in clinical or research settings as part of a broader assessment battery.

Developed by Crandall, J., it consists of 24 items and typically requires about 5 minutes to complete. The Social Interest Scale (SIS) is intended to support cautious interpretation in context of other clinical information, particularly when local translation or adaptation details are limited.

Author: Crandall, J.

Literature: Ansbacher, H. L., & Ansbacher, R. R. The individual psychology of Alfred Adler: A systematic presentation in selections from his writings. Basic Books. 1956.

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