Day 9 Instructor-Led Video — Addon Layering

Core Claim

Addons belong in explicit fields, not mixed into base result interpretation.

Why It Matters

This is where a familiar label can hide a different rule. Addons belong in explicit fields, not mixed into base result interpretation. When the matrix is named first, the answer stays fair. When it is skipped, the claim sounds cleaner than it is.

Practical Takeaway

Before answering any family-spanning question, write one line that states matrix type, object type, and primary metric.

Common Misread

Mixing addon values into the base result.