psychology assignment代写:决策变量的方差
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然而,这些结果质疑的效用偏见分数相对于其组成组件的信心和准确性,在这项研究中。决策变量的方差占的比例由偏见是远远低于占准确性和信心。即使小说所描述的二次趋势预测有添加在这方面很少。然而,这些结果可能是由于诊断精度的限制。因此我们认为未来的研究应该考虑翻译的准确性和信心作为独立变量,控制,结合使用的倾向得分。
psychology assignment代写:决策变量的方差
However, these results call into question the utility of the bias score relative to its constituent components of confidence and accuracy, in this study. The proportion of variance in the decision variables accounted for by bias was considerably lower than that accounted for by accuracy and confidence. Even the novel predictions described by the quadratic trends had very little to add in this respect. However, these results may be due again to a restriction in diagnostic accuracy. We are therefore of the opinion that future researchers should always consider interpreting accuracy and confidence as separate variables, controlling for one another, in conjunction with their use of the bias score.
Discrimination. The Discrimination hypothesis predicted that better discrimination between correct and incorrect judgements should lead to more optimal decision-making and a reduction in decision errors. The regression analyses provided support for this hypothesis. Better discriminators tended to commit more ideal decisions and fewer decision errors overall, resulting from fewer fatal and wasteful decision errors. Additionally, discrimination accounted for a far greater proportion of the variance in the primary error tendency, fatal tendencies (43%), than any other variable. This high percentage may be due to the fact that fatal tendencies are based on incorrect diagnoses only, and people low on the discrimination index had obvious difficulties discriminating between their correct and incorrect answers. Overall, these results provide support that discrimination, indexed
by CAQ, is an important construct in terms of optimal decision- making and a useful individual differences measure of calibration.
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