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Resolving the Assessment Center Construct Validity Problem (as We Know It)

机译：解决评估中心构造有效性问题（众所周知）

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摘要

Ongoing concern about the construct validity of assessment center dimensions has focused on postex- ercise dimension ratings (PEDRs) that are consistently found to reflect exercise variance to a greater degree than dimension variance. Here, we present a solution to this problem. Based on the argument that PEDRs are an intermediate step toward an overall dimension rating, and that the overall dimension rating should be the focus of inquiry, we demonstrate that correlated sources of dimension variance accumulate and increasingly displace uncorrelated sources of both systematic variance and error. Viewing overall dimension ratings as a composite of PEDRs, we show dimension variance will commonly quickly overtake exercise-specific variance as the dominant source of variance as ratings from multiple exercises are combined. We embed our results in a new framework for categorizing different levels of construct variance dominance, and our results indicate that with as few as two exercises, dimension variance can reach our lowest level of construct variance dominance. However, the largest source of dimension variance is a general factor. We conclude that the construct validity problem in assessments centers never existed as historically framed, but the presence of a general factor may limit interpretation for develop-mental purposes.
机译：对评估中心规模的结构有效性的持续关注一直集中在运动后的等级评定（PEDR）上，该等级始终被认为比尺寸差异更大地反映了运动差异。在这里，我们提出了这个问题的解决方案。基于这样的论点，即PEDR是迈向总体尺寸等级的中间步骤，而总体尺寸等级应该成为研究的重点，我们证明了尺寸方差的相关来源不断积累，并逐渐取代了系统方差和误差的不相关来源。将整体尺寸等级视为PEDR的组合，我们显示尺寸差异通常会很快超过特定于运动的差异，因为多种练习的等级相结合会成为尺寸差异的主要来源。我们将结果嵌入到一个新的框架中，以对不同级别的构造方差优势进行分类，并且我们的结果表明，只需进行两次练习，维度方差就可以达到构造方差优势的最低水平。但是，尺寸变化的最大来源是一般因素。我们得出的结论是，评估中心的建构效度问题从未像历史框架那样存在，但是存在一个普遍因素可能会限制出于发展目的的解释。

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