correlational
Analysis v1
Strong Support

Lifting heavy weights fewer times, three days a week for a month, helps young active men build more muscle and get stronger than lifting lighter weights many times.

39
Pro
0
Against

Evidence from Studies

Supporting (1)

39

Community contributions welcome

The study directly tested the same workout methods and found that lifting heavy weights fewer times was better for building strength and muscle than lifting lighter weights more often, exactly as the claim stated.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.