Dog Personality Questionnaire (DPQ)
Take the Dog Personality Questionnaire to learn your dog's unique traits. Based on validated canine behavioral research for accurate, meaningful results.
Start AssessmentThe Comprehensive Aptitude and Reaction Assessment Test (CARAT) is a standardized behavioral evaluation tool used primarily in the working dog and professional dog training community to assess a dog's temperament, drives, and suitability for specific tasks. Unlike questionnaire-based tools, CARAT involves direct observation of the dog's responses to a series of controlled stimuli, measuring traits like nerve strength, prey drive, defense drive, social drive, and fight/flight responses. Understanding your dog's CARAT profile helps trainers, breeders, and sport dog handlers make informed decisions about training approaches, working roles, and breeding selections.
What CARAT Measures
Use the table below to compare What CARAT Measures.
| Drive/Trait | Definition | High Score Means | Low Score Means | Relevant For |
|---|---|---|---|---|
| Prey Drive | Response to moving objects; hunting instinct | Strong ball/tug engagement; high motivation | Low toy interest; less motivatable by play | IPO, Schutzhund, SAR, police K9 |
| Defense Drive | Response to perceived threat; protective instinct | Alert, confident challenge of threats | Avoidance, submission, fear-based response | Protection sports, guard work |
| Fight Drive | Persistence and willingness to engage in conflict | Strong engagement, tenacity under pressure | Gives up easily, avoids confrontation | Protection, ring sports |
| Nerve Strength | Stability and resilience of the nervous system | Recovers quickly from stress, adaptable | Slow recovery, over-reactive, easily overwhelmed | All working roles; critical baseline |
| Social Drive | Desire for human interaction and cooperation | Eager to engage and please people | Indifferent to humans, self-sufficient | Service dogs, therapy dogs, pet companions |
| Pack Drive | Desire to work within a team or follow leadership | Cooperative, follows handler cues readily | Independent, leader-type personality | Obedience, team sports |
| Hardness | Resistance to correction or pressure | Requires firm corrections; resilient | Sensitive, needs soft handling | Determines training approach and correction style |
| Sharpness | Threshold for perceiving and reacting to threat | Quick to perceive and respond to threats | Slow to react; requires significant provocation | Relates to bite threshold in protection work |
CARAT Test Components
1. Social Attraction Test
The evaluator approaches the dog in a neutral, non-threatening manner. Response measures social drive, confidence with strangers, and level of human-directed engagement.
2. Following Test
The handler walks away from the dog. Does the dog follow, stay, or move away? Measures pack drive and social bonding strength.
3. Restraint Test
The dog is gently restrained and then released. Reaction measures nerves, dominance tendency, and fight/submission balance.
4. Social Dominance Test
The evaluator makes direct eye contact and maintains physical proximity. Reaction measures the dog's dominance threshold and confidence under social pressure.
5. Elevation Dominance Test
The dog is gently lifted off the ground briefly. Reaction assesses comfort with handling, dominance, and nerve stability.
6. Prey Drive Stimulus Test
A rag, ball, or flirt pole is used to elicit chasing behavior. Intensity, persistence, and style of engagement are measured.
7. Noise Sensitivity Test
A sudden loud noise (clap, metal drop) is made. The dog's reaction and recovery time measure nerve strength and environmental stability.
8. Surface Sensitivity Test
The dog is exposed to unusual surfaces (grating, tarp, gravel). Willingness to investigate vs. avoidance measures environmental confidence.
CARAT Score Profile Interpretation
Use the table below to compare CARAT Score Profile Interpretation.
| Profile Type | Drive Pattern | Best Suited For | Training Approach |
|---|---|---|---|
| High drive, strong nerves | High prey + high nerve strength + high fight | Police K9, IPO/Schutzhund, SAR, Flyball | High intensity, sport-based training; needs job |
| High social, moderate drives | High social + moderate prey + strong nerves | Service dog, therapy dog, competitive obedience | Relationship-based training; thrives on teamwork |
| High defense, moderate nerves | High defense + moderate prey + moderate nerves | Personal protection, sport protection | Careful training; needs to build confidence before defense work |
| Low drives, calm nerves | Low prey + low fight + stable nerves | Companion dog, pet home, therapy dog | Gentle, reward-based; no high-pressure sports |
| High prey, weak nerves | High prey + poor nerve strength + low fight | Not recommended for working roles | Needs nerve-building foundation; easily overwhelmed |
| Sharp, low nerve strength | High sharpness + poor recovery + high defense | Not recommended for sport or service work | Requires expert handling; bite risk if mishandled |
CARAT vs. Other Temperament Tests
Use the table below to compare CARAT vs. Other Temperament Tests.
| Test | Format | Used By | Strengths | Limitations |
|---|---|---|---|---|
| CARAT | Direct in-person stimuli tests | Working dog professionals, sport dog breeders | Measures drives and nerves directly | Requires trained evaluator; not standardized widely |
| C-BARQ | Owner questionnaire | Researchers, vets, companion dog owners | Validated scientifically; free; no evaluator needed | Owner perception bias; no direct drive assessment |
| Volhard PAT | Puppy aptitude test at 7 weeks | Breeders, early selection | Early assessment possible | Predictive validity questioned by research |
| SAFER | In-shelter direct observation | Shelters | Practical for adoption decisions | Stress of shelter environment affects results |
| TT (FCI Temperament Test) | Standardized FCI protocol | European breed clubs | Breed-standardized norms | Less used in North America |
Frequently Asked Questions
Can any dog undergo CARAT testing?
CARAT is most useful for working dog candidates, sport dogs, or dogs being evaluated for specific roles. It can be informative for companion dogs with behavioral concerns, but a qualified evaluator familiar with the protocol is required for meaningful results. Results from unqualified evaluators carry no predictive validity.
At what age can dogs be CARAT tested?
Adult CARAT testing is most reliable after 12-18 months of age when temperament is more stable. Puppy aptitude testing versions (like the Volhard PAT) can be used at 7 weeks, but adult outcomes are not reliably predicted from puppy tests.
Does a high defense drive make a dog dangerous?
Not inherently. High defense drive combined with strong nerves and appropriate training produces a reliable protection dog. High defense drive combined with poor nerve strength, low social drive, or inadequate training is a concerning combination that requires expert management.
Note: Temperament results are best used as a starting point for training, handling, and lifestyle planning.
Helpful related calculators
Continue with Dog Personality Questionnaire (DPQ), Dog Dementia Tool, C-BARQ: Canine Behavioral Assessment & Research Questionnaire for the next practical step.
