Mike: Studies find a correlation of .6 between the same individual taking the test more than once, so 40% of the test score is always going to be the vagaries of each trial. They also find that “practice” on the IAT explains 15% of variance or so. More on this in a moment.
Mike: Studies find a correlation of .6 between the same individual taking the test more than once, so 40% of the test score is always going to be the vagaries of each trial. They also find that “practice” on the IAT explains 15% of variance or so. More on this in a moment.