On the continuing problem of inappropriate learning measures: Comment on Wulf et al. (2014) and Wulfetal. (2015)

Mark G. Fischman

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On the continuing problem of inappropriate learning measures: Comment on Wulf et al. (2014) and Wulfetal. (2015)

机译：论不当学习措施的持续问题：关于Wulf等人的评论。（2014）和Wulfetal。（2015）

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Two recent studies in this journal (Wulf, Chiviacowsky, & Cardozo, 2014; Wulf, Chiviacowsky, & Drews, 2015) assessed the additive effects of autonomy support and enhanced expectancies (Wulf et al., 2014) and autonomy support and external focus (Wulf et al., 2015) on learning a novel throwing skill. Participants learned to throw with their non-dominant arm at a target consisting of nine concentric circles with a center bull's eye. More points were awarded for throws landing closer to the bull's eye, but the precise landing location within each circle was ignored. All throws landing anywhere within a specific circle received the same score. I comment on the inappropriateness of this assessment for determining performance variability, which is an important characteristic of skill learning. The standard errors reported by Wulf et al. (2014, 2015) are confusing or ambiguous to performance as measured in the task. They do not reflect the precision of performance that one might expect. This problem is not limited to the two studies in this commentary, but remains a continuing one in many studies of motor learning. Questions are also raised concerning the absence of any kinematic or kinetic measures of throwing performance in Wulfetal. (2014, 2015).

机译：本杂志最近的两项研究（Wulf，Chiviacowsky，＆Cardozo，2014; Wulf，Chiviacowsky，＆Drews，2015）评估了自主支持和增强的期望的添加剂影响（Wulf等，2014）和自主支持和外部焦点（ Wulf等人，2015年）关于学习一种小说呕吐技能。参与者学会了与他们的非主导手臂扔在一个由九个同心圈子组成的目标，中锋牛眼。抛出较近牛眼的投掷奖励更多的积分，但每圈内的精确着陆位置被忽略了。所有抛出在特定圆圈内的任何地方都接受了相同的分数。我评论了对确定性能变异性的不恰当性，这是技能学习的重要特征。 Wulf等人报告的标准错误。（2014,2015）与任务中衡量的表现混淆或含糊不清。他们没有反映一个人可能期望的性能的精确性。这个问题不仅限于这项评论中的两项研究，而且在许多对运动学习的研究中仍然是一个继续的研究。还提出了缺乏武术性表现的任何运动或动力学措施的问题。（2014年，2015）。

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《Human movement science》 |2015年第null期|共7页
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Mark G. Fischman;
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Auburn University USA;

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中图分类医学心理学、病理心理学;
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On the continuing problem of inappropriate learning measures: Comment on Wulf et al. (2014) and Wulfetal. (2015)

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