Unconsidered issues of measurement noninvariance in biological psychiatry: A focus on biological phenotypes of psychopathology.

Unconsidered issues of measurement noninvariance in biological psychiatry: A focus on biological phenotypes of psychopathology.
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未经考虑的生物精神病学中非传染性的问题:关注精神病理学生物学表型。

DOI:
10.1038/s41380-021-01414-5
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发表时间:
2022-03
影响因子:
11
通讯作者:
Alloy, Lauren B.
Alloy, Lauren B.
中科院分区:
医学1区
文献类型:
--
作者:
Moriarity, Daniel P.;Joyner, Keanan J.;Slavich, George M.;Alloy, Lauren B.

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越来越多的人认识到,某些生物学过程可能与某一特定诊断类别中的所有精神症状并不完全相关。精神病理学的生物表型研究已经开始检查已确定的生物型的病因学和治疗意义;然而,很少有人注意到这些结果的一个关键的方法论意义:测量不变性。测量不变性是指仪器以相同的方式、跨不同的人或同一个体的不同时间点测量相同结构的能力。如果不同的人(例如,有或没有特定生物类型的人)或不同的时间点,一项测量的量化结果是不同的,那么直接比较该测量的平均值是无效的。使用一个抑郁症的炎症性表型的活生生的例子,我们首先描述精神病理学的生物学表型。其次,我们讨论了三种类型的测量不变性。第三,我们使用一个理论例子和模拟数据(提供了代码)来演示不同的生物学症状关联如何总是创建测量不变性。我们还展示了这个问题如何导致关于更广泛的诊断结构的错误结论。最后,我们为解决这些重要问题提供了几点建议,以帮助推进生物精神病学领域的发展。
There is increasing appreciation that certain biological processes may not be equally related to all psychiatric symptoms in a given diagnostic category. Research on the biological phenotyping of psychopathology has begun examining the etiological and treatment implications of identified biotypes; however, little attention has been paid to a critical methodological implication of these results: measurement noninvariance. Measurement invariance is the ability of an instrument to measure the same construct, the same way, across different people or across different time points for the same individual. If what a measure quantifies differs across different people (e.g., those with or without a particular biotype) or time points, then it is invalid to directly compare means on that measure. Using a running example of inflammatory phenotypes of depression, we first describe the biological phenotyping of psychopathology. Second, we discuss three types of measurement invariance. Third, we demonstrate how differential biology-symptom associations invariably creates measurement noninvariance using a theoretical example and simulated data (for which code is provided). We also show how this issue can lead to false conclusions about the broader diagnostic construct. Finally, we provide several suggestions for addressing these important issues to help advance the field of biological psychiatry.
DOI: 10.1016/j.bbih.2021.100288
发表时间: 2021-10
期刊: Brain, behavior, & immunity - health
影响因子: --
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