Temperature vs. time

The contrast and density of negatives and copies depends on the exposure it was given and the time and temperature of developement. Pushing film is compensating a lack of exposure with extra developement, though this produces shadow detail loss, greater grain, etc. Now the question... time and temperature are usually compensated as if it were the same to develope for 10 minutes at 68 degrees and to develope for 7 minutes at 75 degrees. Asuming that the compensation for the contrast index is done correctly, waht difference should I expect from negatives/copies developed in colder or warmer developer?

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