Because we measure the quality of their output. A weaker group can solve the problem with the same quality as a stronger group given much more time. (For example by doing refactoring in the plus time.)
I see. The time constraint you set is on the tighter side. I was considering it to be on the relaxed side which would allow the weaker group to improve as you said.
On the other hand, setting the time constraint (as opposed to measuring both time taken and solution complexity for the two groups) is important because deadlines help.
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Genuinely asking: Why not just stop at "tell two independent groups to implement it"? That is, why constrain to the same amount of time?
Because we measure the quality of their output. A weaker group can solve the problem with the same quality as a stronger group given much more time. (For example by doing refactoring in the plus time.)
I see. The time constraint you set is on the tighter side. I was considering it to be on the relaxed side which would allow the weaker group to improve as you said.
On the other hand, setting the time constraint (as opposed to measuring both time taken and solution complexity for the two groups) is important because deadlines help.