Furthermore, post-hoc analysis of these results revealed that the overall pre-post increase in these variables was significantly greater than zero for moderate-load-start participants ( Accuracy change = 11.92, 95% CI [7.86,15.98]; Optimality change = 13.24, 95% CI [9.05,17.42]), but not significant (accuracy) or only marginally significant (optimality) for low-load-start participants ( Accuracy change = 2.66, 95% CI [−1.17,6.48]; Optimality change = 4.53, 95% CI [.59,8.48]).
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Low cognitive load and reduced arousal impede practice effects on executive functioning, metacognitive confidence and decision making.
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