Source Triangulation Matrix

Corroborate three sources — with sentence frames built in

Read across rows. Compare. Build a claim that holds up across three voices.

Name:

Topic:

Inquiry question

	Source A	Source B	Source C
Who made it? Source A is…
When & why? It was made in ___ to…
What does it claim? The source argues that…
What's missing? It does not mention…
Trust level (1–5) I trust this because…

My corroborated claim — "Across these three sources…"