批判性阅读研究:对内部有效性的威胁。

Journal of post anesthesia nursing Pub Date : 1994-10-01

M Giuffre

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摘要

内部效度是指研究中因变量或结果变量的变化可能归因于对自变量的操纵的程度。本文将讨论对内部有效性的常见威胁以及如何识别它们。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Reading research critically: threats to internal validity.

Internal validity refers to the extent to which it is possible to attribute the change in the dependent or outcome variable in a study to manipulation in the independent variable. This article will discuss the frequent threats to internal validity and how to recognize them.

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Journal of post anesthesia nursing

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