> can tell you in half a second or less whether or not a number's even or odd.
Sure, but just because it takes half a second or less doesn't mean it's not reflecting mental performance. For example, testing reflexes takes even less time, down to tenths of a second, but yet, reflex time still correlates with IQ.
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> can tell you in half a second or less whether or not a number's even or odd.
Sure, but just because it takes half a second or less doesn't mean it's not reflecting mental performance. For example, testing reflexes takes even less time, down to tenths of a second, but yet, reflex time still correlates with IQ.