Free Will and Determinism Plus Scale (FAD-Plus) Test

Understand how you view free will and determinism in just 5 minutes. Get a nuanced 27 item profile that supports work on motivation, responsibility, and counseling goals.
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08:30
October 2, 2025
October 2, 2025
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How the Scales are Structured
example score
3/5
Scientific Determinism (SD)
Measures the extent to which a person believes that human actions are determined by scientific laws and causal factors rather than free choice.
Low
Moderate
High
12.3Low2.43.6Moderate3.75High
A score of 3 indicates a moderate belief in scientific determinism, suggesting a balanced tendency to attribute behavior to causal factors without fully dismissing personal agency.
example score
3/5
Unpredictability (U)
Measures the extent to which a person views life events and outcomes as inherently unpredictable and difficult to understand or anticipate.
More predictable worldview
Mixed/neutral
More unpredictable worldview
12.4More predictable worldview2.53.5Mixed/neutral3.65More unpredictable worldview
A score of 3 indicates a moderate belief in unpredictability, suggesting a balanced view where the world is sometimes seen as hard to foresee but not consistently chaotic.
example score
3/5
Fatalistic Determinism (FD)
Measures the extent to which a person believes life events and personal outcomes are governed by fate or inevitable forces beyond individual control.
Low
Moderate
High
12.4Low2.53.5Moderate3.65High
A score of 3 indicates a moderate tendency to view outcomes as partly shaped by fate, alongside some room for personal influence.
example score
4/5
Free Will (FW)
Measures the extent to which a person believes human choices are genuinely free and meaningful.
Low
Moderate
High
12.4Low2.53.4Moderate3.55High
A score of 4 indicates a high endorsement of human freedom, suggesting you tend to view personal choices as real and impactful.
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DATA-BASED USER COHORTS
Who Usually Takes This Test?
Self-improvement seekers
41%OF USERS
They want to understand how much they see their life as driven by personal choice versus circumstances to improve motivation, habits, and accountability.
Students of psychology
34%OF USERS
They take it for coursework or projects to explore how beliefs about free will and determinism relate to behavior, responsibility, and moral judgments.
Counseling and coaching clients
25%OF USERS
They use it to clarify whether they feel in control or constrained, helping shape realistic goals and strategies for change.
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
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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.
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A structured, clinically grounded explanation. Our AI analyzes patterns and relationships between scales to provide a coherent interpretation — without alarmist language.
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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.
Scientific determinism (Sd)
Average
3.2
Normal range
2.73.8
min.
1
max.
5
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.
Unpredictability (U)
Average
4
Normal range
3.34.6
min.
1
max.
5
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.
Fatalistic Determinism (FD)
Average
3.6
Normal range
2.94.3
min.
1
max.
5
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.
Freedom (F)
Average
2.1
Normal range
1.42.8
min.
1
max.
5
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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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions

Any questions left?

What does this questionnaire measure?
It measures beliefs about whether actions are chosen freely, determined by prior causes, or shaped by both. It provides separate scores for different belief components rather than a single yes-or-no result.
How should statements be rated?
Select the response that best reflects agreement with each statement. Use the full range of options when appropriate, and avoid choosing the same option for all items.
Can a person endorse both free will and determinism?
Yes, both beliefs can be endorsed at the same time. The scoring is designed to capture mixed or nuanced views.
How long does it take and how many items are included?
Completion typically takes about 5 minutes. The questionnaire contains 27 statements.
How should the results be interpreted?
Scores describe tendencies in worldview beliefs and do not indicate mental health status or diagnosis. Results are best interpreted alongside the purpose of the assessment and other relevant information.
WHAT THE TEST MEASURES
About This Assessment
Belief in Freedom/Determinism, FAD-Plus Test

Free Will and Determinism Plus Scale (FAD-Plus) Test

This instrument assesses individual differences in beliefs about human agency and causal determinism. The Free Will and Determinism Plus Scale (FAD-Plus) uses self-report ratings to characterize how strongly a respondent endorses concepts related to free will, determinism, and related attitudes. It is commonly used in research settings and may also inform clinical case formulation when beliefs about personal control and responsibility are relevant.

The measure consists of 27 items and typically requires about 5 minutes to complete. It yields a profile of belief endorsements rather than a single global construct, supporting interpretation of nuanced or mixed viewpoints. The Free Will and Determinism Plus Scale (FAD-Plus) is often administered alongside other measures of motivation, attribution, and moral cognition to contextualize responses (Vohs).

Author: Kathleen D. Vohs, roy-f-baumeister
Literature: Paulhus, D. L., & Carey, J. M. The FAD-Plus: Measuring lay beliefs regarding free will and related constructs. Journal of Personality Assessment. 2011.
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