Sibling Rivalry Scale Test

Understand a child’s jealousy and competition with siblings in about 2 minutes. Ten quick items deliver clear insights to guide support, ease conflict, and strengthen family relationships.

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Questions: 102 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

19,190 views

1,469 completions

1,250 likes

Verified by Daniel Hall

Psychologist with 25 years of experience

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How the Scales are Structured

example score

41/100

Jealousy Toward Older Sister (JTOS)

Measures how strongly a child feels jealousy and rivalry toward their older sister.

Low

Moderate

High

0 – 30: Low | 31 – 60: Moderate | 61 – 100: High

A score of 41 falls in the Moderate range, suggesting a noticeable but not especially unfavorable level of jealousy toward the older sister.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Parents of multiple kids

47%OF USERS

Parents use it to understand jealousy and attention fights between siblings and decide how to respond at home.

Child psychologists and counselors

34%OF USERS

Professionals use it as a quick screen to pinpoint sibling tension and plan family-focused support.

Teachers and school staff

19%OF USERS

Educators use it when a child shows conflict spillover at school and they need insight into family dynamics.

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

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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.

Degree of jealousy toward older sister (Dojtos)

Average

65.7

Normal range

49.6 — 81.7

min.

max.

100

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 scale measure?

It measures the intensity of jealousy, competition, and attention-seeking related to brothers and sisters. It summarizes how strongly sibling rivalry is expressed.

Who is this scale intended for?

It is intended for preschool, early school-age, and middle school-age children. It can be used in educational, clinical, or family support settings.

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

It includes 10 items and typically takes about 2 minutes. The format is brief to reduce fatigue.

How should responses be completed?

Select the response that best matches the child’s usual feelings or behavior. If an item does not fit well, choose the closest option.

How should results be interpreted?

Scores indicate relative levels of sibling rivalry and help identify areas of tension in sibling interactions. Results should be considered alongside other information and not used as a stand-alone diagnosis.

WHAT THE TEST MEASURES

About This Assessment

Sibling Rivalry Scale Test - Symptoms and Signs

family siblings

This brief measure assesses perceived competition and jealousy in sibling relationships from the child’s perspective. The Sibling Rivalry Scale is designed to support a rapid screening of rivalry-related feelings and behaviors that may be relevant to family dynamics.

It consists of 10 items and typically takes about 2 minutes to complete. Developed by J. Dunn, the Sibling Rivalry Scale may be used in clinical or educational settings to inform case formulation, guide discussion with caregivers, and support decisions about further assessment or intervention when concerns about sibling conflict are present.

Author: J. Dunn

Literature: Dunn, J. Sibling relationships in early childhood. Child Development. 1983.

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