Graph the behavior before explaining the cause

When it fits

• A team is arguing about why a recurring problem happens while nobody has made the pattern over time visible.

When to avoid it

• The selected metric, sampling and time window can distort the story; a behavior-over-time graph is evidence organization, not proof of causation.

Why it matters

Choose the behavior that matters and sketch or plot how it changed over a meaningful time window. Mark important events or regime changes, then tell the factual story the shape supports before proposing causes. Add a second variable only when the comparison helps the question. The graph is a shared observation surface, not a causal verdict.

Steps

1. Name the behavior precisely enough to measure or estimate consistently.
2. Choose a time window that includes the pattern you are trying to understand.
3. Plot the behavior and annotate important events without drawing causal arrows yet.
4. Describe the visible pattern before proposing structures or explanations.
5. Change the window or add a comparison when the first graph could hide a different story.

Check your result

Different people can point to the same visible change over time even if they still disagree about why it happened.

Keep this limit in mind

• The selected metric, sampling and time window can distort the story; a behavior-over-time graph is evidence organization, not proof of causation.

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