COMPANION
The Before, During, and After Method for Understanding Dog Behavior
Turn one confusing dog-behavior moment into an observable sequence: what happened before, what your dog did, and what happened immediately after.
Write one short sequence: what changed immediately before the moment, what your dog observably did, and what happened immediately afterward. Include the setting, distance, other people or animals, your own actions, and how the moment ended. The sequence can expose missing details and repeated conditions, but one entry does not prove a trigger, emotion, motive, or cause.
This is often called an antecedent-behavior-consequence, or ABC, record. “After” or “consequence” simply means what followed; it does not automatically mean a punishment.
Why the whole sequence matters
“My dog barked” preserves an action but not the moment around it. “My dog barked because he is territorial” supplies a confident explanation without preserving the evidence another person would need to evaluate it.
The Merck Veterinary Manual recommends considering the antecedent, behavior, and consequence for a behavior problem. It defines the antecedent as what comes before, the behavior as what occurs after that antecedent, and the consequence as what happens immediately afterward. Merck also places that sequence inside a broader history that includes pattern change, schedule, environment, housing, frequency, duration, and intensity.
The sequence is useful because it keeps three different questions separate:
- What was happening and what changed?
- What did the dog do that another observer could see or hear?
- What changed immediately afterward for the dog, people, animals, or setting?
Use the before-during-after worksheet
Complete the worksheet after a naturally occurring moment, when everyone is safe. Leave unknown details blank rather than reconstructing a perfect story.
| Part | Record | Useful detail prompts |
|---|---|---|
| Before | The setting and the last observable change before the behavior | Place, people and animals, distance, direction, barrier, sound, movement, object, exact cue, and what your dog was doing already |
| During | The dog's observable action or sequence | Position, movement, visible body details, sounds, count, duration, direction, and any change in intensity |
| After | What happened immediately next | What each person or animal did, what appeared or disappeared, whether access or distance changed, how the moment ended, and when an ordinary activity resumed |
| Open question | One uncertainty to compare later or bring to a professional | Which condition repeats? What important detail is missing? Is a medical contributor possible? |
Keep the “during” column behavioral. The camera-and-microphone test can help: “moved behind the chair and barked four times” is observable; “felt guilty” and “tried to protect me” are interpretations.
A worked example
Before: Milo was lying on the rug about two meters from the front window. The delivery worker opened the outer gate and walked toward the porch. The gate made a metal sound. Milo lifted his head and looked toward the window.
During: Milo stood, closed his mouth, ran to the front door, barked eight times, and scratched the door once.
After: The caregiver closed the inner door and moved with Milo to the kitchen. The worker left the parcel and walked back through the gate. Milo resumed sniffing for scattered food after about ninety seconds.
Open question: Across naturally occurring deliveries, do the gate movement, the sound, the person's direction, or the distance consistently appear before the same observable sequence?
This record does not show that barking caused the worker to leave, that Milo was afraid or territorial, or that the caregiver's response maintained the behavior. Those are possible interpretations or functional questions—not facts established by one descriptive entry.
“After” is not the same as “why”
An educational article from the American Veterinary Society of Animal Behavior uses the ABC model to describe the relationship between the environment, what a dog does, and what happens afterward. It illustrates why consequences and reinforcement history can matter for future behavior.
That does not mean an owner can identify the function of a concerning behavior from one worksheet. Research on functional assessment distinguishes a descriptive assessment, which observes a behavior without manipulating the setting, from a functional analysis, which systematically changes antecedents and consequences to test a functional relationship. A published companion-dog functional-analysis study makes that distinction explicitly.
For an owner record, “the visitor stepped back after the growl” is enough. Do not rewrite it as “the growl was reinforced by escape” unless an appropriately qualified professional has assessed the pattern.
Avoid these four recording mistakes
Starting too late
“Before: he barked” misses the event and setup that preceded the barking. Widen the frame to include what your dog was doing already and the last visible or audible change you noticed.
Turning the behavior into a label
“During: she was aggressive” is not a behavior sequence. Record the position, movement, visible body details, sound, count, direction, and duration you actually observed.
Treating your response as irrelevant
Record what you did without blaming yourself: shortened the leash, opened a door, moved away, spoke, reached, offered food, blocked access, or changed the distance. The point is to preserve the sequence, not assign fault.
Filling in a missing detail
“I did not see what happened before” is useful information. It tells a professional where the history is incomplete and prevents a guess from becoming part of the record.
Compare several naturally occurring sequences
One worksheet makes a confusing moment clearer. Several comparable worksheets can show whether a condition, action, or outcome repeats.
Use the same narrow behavior description across entries. Keep examples where the behavior did and did not occur. Compare similar places, distances, people, and routines rather than grouping every bark, freeze, jump, or retreat into one pattern.
The 15-second behavior journal is a compact way to collect these sequences. If one event changes substantially by setting, use the context comparison card to compare the two places without labeling the dog.
When recording should stop
Do not delay help to finish a worksheet. Contact your veterinarian about a sudden, marked, or otherwise concerning behavior change because medical contributors may need to be excluded. Seek appropriately qualified help when there is a risk of injury, escalating fear or aggression, or a major loss of normal activities.
Prioritize distance, barriers, and immediate safety. Merck advises that provoking an undesirable behavior is generally contraindicated. Do not repeat, approach, touch, corner, remove an item, or recreate a risky setup to complete the “during” column or test what happens afterward.
Argo Companion can preserve the original before-during-after sequence and keep an interpretation visibly separate. It does not diagnose motivation, fear, aggression, pain, or a behavioral condition; determine behavioral function; or replace a veterinarian or qualified behavior professional.