[External validity] 来自 NCBI 喜欢 0 阅读量: 75 作者: J Windeler 摘要: It is widely accepted that clinical trials have to be carefully reviewed for internal validity. In addition, aspects of external validity, which is also known as 'generalizability' or 'directness', must be considered. ...
aThere are two types of validity: internal and external. Internal validity refers to the extent to which the results of a study can be attributed to the exercises (intervention) used. 有有效性的二个类型: 内部和外在。 内部有效性提到研究的结果可以归因于(干预)半新的锻炼的程度。 [translate] ...
construct validity the degree to which an instrument measures the characteristic being investigated; the extent to which the conceptual definitions match the operational definitions. content validity verification that the method of measurement actually measures what it is expected to measure; see also face...
External Validity and the New Inductivism in Experimental Economics The idea of external validity, which is well-known in the social sciences, has recently also been emphasized in experimental economics. It has been argued ... V Gadenne - 《Rationality Markets & Morals》 被引量: 4发表: 2013年...
Peter Tugwell and André Knottnerus and Leanne IdzerdaJournal of Clinical EpidemiologyTugwell P, Knottnerus A, Idzerda L. Comparative effectiveness re- views need to pay as much attention to external validity as to in- ternal validity risks of bias. J Clin Epidemiol 2011;64:1163-65....
get revenue gains after we ship it, even though the future is different: user behavior may change over time, the type of users who use the product may change, other developers may ship features which interact with the first one, etc… How much should we worry about e...
a10. Interest in historical methods arisen less through external challenge to the validity of history as an intellectual discipline and more from internal quarrels among historians themselves. 10. 兴趣在历史方法上升起了通过外在挑战到历史作为一个智力学科和更多的有效性从内部争吵在史学家之中。[translate...
USA). WebPlotDigitizer is a semiautomatic, open source, web-based tool with acceptable validity [26] and reliability [26,27] for extracting numerical data from figures. If SD were not reported in relevant figures and could not be obtained, these values were identified as ‘not provided (NP...
However, this interpretation is not as straightforward as assumed. It is highly debatable whether (a single) single-study external validation provides true insight into the validity and accuracy of the risk predictions and there are several pitfalls to consider when interpreting its results [4]. ...
It is well-known that there are considerable differences in the fundus between Asians and Caucasians. For instance, differences in optic disc size, shape, and cup-to-disc ratio have been reported across ethnicities/races in healthy individuals14. This is also evident from the current study where...