Source Triangulation Matrix

Corroborate three sources — with sentence frames built in

Source Triangulation Matrix
Read across rows. Compare. Build a claim that holds up across three voices.
Name:
Topic:
Inquiry question
Source ASource BSource 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…"