DAVOUD GOODARZI
DG — DIAGNOSTIC SERIES

Diagnostic Tools for Growth & Business

A collection of practical tools for turning business signals and data into questions worth investigating. They do not manufacture certainty; they help you move from signal to evidence, test and decision.

Framework design and development: Davoud Goodarzi

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Growth Bottleneck Diagnostic

Before increasing spend or execution, examine which layer may deserve deeper investigation and define the next small test.

7 Growth LayersDiagnostic HypothesisSmall Test
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Lead-to-Sale Diagnostic

Analyze the path from lead to sale stage by stage and identify the first point worth investigating, with evidence and a small test.

Sales FunnelDiagnostic PriorityCustomer Economics
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Find the Real Business Problem Before Choosing a Solution

Identify what actually changed, where the problem is concentrated, what remains a hypothesis, and what you should investigate before taking action.

Problem DefinitionEvidenceNext Diagnostic Step
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From Signal to Decision

The shared logic is simple: a number is a signal, not a cause. First locate the issue, form a hypothesis, inspect evidence, then run a limited test before making a large change.

Signal→Location→Hypothesis→Evidence→Test→Decision