Additional comments on "some statistical methods useful in circulation research".

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Some statistical methods useful in circulation research.

Some statistical techniques for analyzing the kinds of studies typically reported in Circulation Research are described. Particular emphasis is given to the comparison of means from more than two populations, the joint effect of several experimentally controlled variables, and the analysis of studies with repeated measurements on the same experimental units.

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Some useful statistical methods for model validation.

Although formal hypothesis tests provide a convenient framework for displaying the statistical results of empirical comparisons, standard tests should not be used without consideration of underlying measurement error structure. As part of the validation process, predictions of individual blood lead concentrations from models with site-specific input parameters are often compared with blood lead...

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Noncontingent Reinforcement: Some Additional Comments

I agree with Poling and Normand’s (1999) view that noncontingent reinforcement (NCR) is an incorrect description of time-based procedures that reduce behavior rates. I also agree that schedule descriptors, such as fixedtime attention or fixed-time escape, are more accurate. Since the publication of Vollmer, Iwata, Zarcone, Smith, and Mazaleski (1993), I have received numerous comments about ter...

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ژورنال

عنوان ژورنال: Circulation Research

سال: 1981

ISSN: 0009-7330,1524-4571

DOI: 10.1161/res.48.4.592/b