4 ms·
Known as the overjustification effect: http://en.wikipedia.org/wiki/Overjustification_effect http://en.wikipedia.org/wiki/Overjustification_effect
by ijk 13y ago
Known as the overjustification effect: http://en.wikipedia.org/wiki/Overjustification_effect http://en.wikipedia.org/wiki/Overjustification_effect