The Claim
Repetitions-in-reserve prediction accuracy demonstrates statistical equivalence between 1-RIR and 3-RIR predictions, between first and second sets, and between first and second testing sessions during bench press exercise in resistance-trained individuals.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
When trained lifters guess how many more reps they could do during bench press, their guesses are equally accurate whether they're guessing 1 rep left or 3 reps left, and this stays the same across different sets and sessions.
See the scientific wording
Repetitions-in-reserve (RIR) prediction accuracy shows statistical equivalence between 1-RIR and 3-RIR predictions, between first and second sets, and between first and second testing sessions during bench press exercise in resistance-trained individuals.
What the research says
1 studyThe study looked at whether people can accurately guess how many more reps they could do during bench press, and found that guesses for 1 rep left and 3 reps left were equally accurate, just like the claim says.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
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