Clinical Deterioration Assessment in Eating Disorders Test

In about 3 minutes, this 16-item test shows how an eating disorder is affecting daily life, mood, thinking, and relationships. Use it to track quality of life over time and fine-tune treatment as progress changes.
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Questions163 minutes
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08:30
October 2, 2025
October 2, 2025
Material has been updated
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How the Scales are Structured
example score
5/18
Personal Deterioration (PD)
Measures how much the eating disorder is negatively affecting self-esteem and emotional well-being in the personal sphere.
Low impact
Moderate impact
High impact
06Low impact712Moderate impact1318High impact
A score of 5 indicates a low level of personal deterioration, suggesting relatively limited impact on self-esteem and emotional well-being at this time.
example score
2/15
Cognitive Impairment (CI)
Measures the degree of disruption in thinking, attention, and concentration related to eating-disorder impact on daily functioning.
Low impact
Moderate impact
High impact
04Low impact59Moderate impact1015High impact
A score of 2 falls in the Low impact range, suggesting minimal cognitive difficulties affecting day-to-day functioning in this area.
example score
8/15
Social Impairment (SI)
Measures the degree to which eating-disorder symptoms interfere with social relationships, communication, and participation in social life.
Low impact
Moderate impact
High impact
05Low impact610Moderate impact1115High impact
A score of 8 indicates a moderate level of social impairment, suggesting noticeable difficulties in social interaction and engagement related to the eating disorder.
example score
25/48
Overall Clinical Deterioration Score (OCDS)
Measures the overall degree to which an eating disorder is negatively impacting daily life and functioning.
Below threshold
Elevated impairment
015Below threshold1648Elevated impairment
A score of 25 falls in the Elevated impairment range, indicating a notable level of life impairment related to eating-disorder symptoms.
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DATA-BASED USER COHORTS
Who Usually Takes This Test?
Therapists treating eating disorders
41%OF USERS
Clinicians use it to quantify how an eating disorder is impairing daily life and to track change across sessions.
Specialist dietitians and teams
34%OF USERS
Multidisciplinary providers use it to monitor functional impact alongside weight, symptoms, and treatment adherence.
Patients in active treatment
25%OF USERS
People receiving care complete it to reflect on how the disorder affects emotions, thinking, and relationships over time.
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
Scale Results
— Explained Clearly
Your scores across each test scale, translated into plain, usable insights. Not just numbers, but what they actually mean for your daily life, emotional state, and overall well-being.
AI-Powered
Interpretation
A structured, clinically grounded explanation. Our AI analyzes patterns and relationships between scales to provide a coherent interpretation — without alarmist language.
Statistical
Comparison
See how you compare to others. Your scores are placed in a statistical context, showing percentiles and trends based on anonymized platform data to help you understand what`s typical.
Practical
Recommendations
Actionable guidance tailored to your profile. Receive clear, realistic suggestions you can apply immediately — focused on coping, self-regulation, and realistic next steps.
AI-Detected
Insights
Key patterns you might not notice on your own. Surfacing subtle connections in your responses that help you better understand what may be driving your current results.
Discuss with
an AI Psychologist
Clarify, reflect, and explore right away. Talk through your outcomes, ask questions, and explore meanings in a calm, non-diagnostic dialogue environment.
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Used in 52+ countries
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.
Personal Deterioration (PD)
Average
5.4
Normal range
37.9
min.
0
max.
18
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.
Cognitive Decline (CD)
Average
4.2
Normal range
1.66.7
min.
0
max.
15
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.
Social Deterioration (SD)
Average
11.2
Normal range
8.913.5
min.
0
max.
15
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.
Total score of clinical deteriorations in eating disorders (Tsocdied)
Average
31.4
Normal range
23.639.2
min.
0
max.
48
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.
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I wanted to understand how serious my ADHD is, and now I finally do. I also realized I need to work on my self-esteem. It has been low for a long time, and that makes daily life harder than it should be.
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Reading each question felt like someone really understood me. Even though I’ve already dealt with much of this, reflecting still helped me learn something new about myself.
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The process is simple. The test covers everything you need, and you’ll get a clear breakdown of your results. For just a few dollars, it’s a great value.
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I kept thinking there might be a small chance, but now I know for sure. The questions were easy to understand, and the whole process was straightforward.
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I was pleasantly surprised when I read the results. It was as if someone had sorted out my messy thoughts and given me useful tips to help me speak with more confidence.
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I was really impressed with the report. It was clear, thoughtful, and it reflected things I’ve been noticing about myself.
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The questions made me think deeply and helped me become more self-aware.
Brooke S., US
Reading through most of the questions made me feel understood. Although I’ve already worked through some of these issues, the questions still gave me useful insights and helped me learn more about myself.
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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions

Any questions left?

What does this questionnaire measure?
It measures how eating disorder symptoms interfere with daily functioning and quality of life. It summarizes overall impairment and covers emotional, cognitive, and social impact.
How long does it take to complete and how many items are included?
Completion typically takes about 3 minutes. The questionnaire includes 16 items.
Is this tool used to make a diagnosis?
No, it does not provide a diagnosis. It is intended to support clinical assessment and to monitor change over time.
What time period should responses refer to?
Responses should reflect recent functioning, typically the past 28 days. If a different time frame is specified in the instructions, follow that time frame.
How should items be answered if the situation did not occur?
Select the response that best matches the level of impact, even if the situation was rare. If an item does not apply, choose the lowest impact option available unless instructions state otherwise.
WHAT THE TEST MEASURES
About This Assessment
Assessment of Clinical Deterioration in Eating Disorders Test

Clinical Deterioration Assessment in Eating Disorders Test

This brief self-report measure is used to evaluate psychosocial impairment associated with eating disorder symptoms. The Clinical Deterioration Assessment in Eating Disorders helps characterize the extent to which symptoms interfere with day-to-day functioning across relevant life domains.

The instrument contains 16 items and typically takes about 3 minutes to complete. Items assess perceived impact on emotional well-being, cognitive functioning, and social and interpersonal functioning. Scores are commonly used to support clinical formulation and to monitor change over time; the measure is not designed to establish a diagnosis. The Clinical Deterioration Assessment in Eating Disorders was developed by Bohn and Fairburn.

Author: Bohn, K., Fairburn, C.
Literature: Bohn, K., Doll, H., Cooper, Z., O’Connor, M., Palmer, R., & Fairburn, C. G. The measurement of impairment due to eating disorder psychopathology. Behaviour Research and Therapy. 2008.
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