Represent a recurring process problem as variables, causal links, and reinforcing or balancing loops.
Weekend overtime temporarily lowers support backlog, but backlog rebounds higher because fatigue creates errors and rework. Variables -> causal links -> loop polarity -> leverage point The common trap is treating the latest backlog number as the whole problem, then pushing the same overtime lever harder. Name variables Use quantities that can change: backlog, overtime hours, fatigue, error rate, rework, and available capacity. Loop diagrams need variables, not vague labels like morale issue or busy team. Draw causal links Backlog increases overtime; overtime increases fatigue; fatigue increases error rate; errors increase rework; rework increases backlog. Each arrow states a cause-effect…
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