Question

you read a primary source and a secondary source that discuss the same experiment. There is a difference in the conclusion made by these two sources. which should you trust more, and why?

Answer 1

You should trust the primary source more.

This is because the primary source is make its conclusion from direct observation, while the secondary source is possibly making reference to another secondary source or to another primary.

The primary source should be trusted more because it is from direct observation.