Results 191 to 200 of about 389,492 (241)
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Memory and Cognition, 1995
This article concerns acceptance of the null hypothesis that one variable has no effect on another. Despite frequent opinions to the contrary, this null hypothesis can be correct in some situations. Appropriate criteria for accepting the null hypothesis are (1) that the null hypothesis is possible; (2) that the results are consistent with the null ...
R W Frick
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This article concerns acceptance of the null hypothesis that one variable has no effect on another. Despite frequent opinions to the contrary, this null hypothesis can be correct in some situations. Appropriate criteria for accepting the null hypothesis are (1) that the null hypothesis is possible; (2) that the results are consistent with the null ...
R W Frick
exaly +3 more sources
Infection Control & Hospital Epidemiology, 1992
In most situations in which an experimental treatment or procedure is to be compared with a standard treatment or procedure, the null hypothesis to be tested states that the two procedures are equally effective. The alternative hypothesis is likely to be one-sided and to state that the experimental procedure is better than the standard.
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In most situations in which an experimental treatment or procedure is to be compared with a standard treatment or procedure, the null hypothesis to be tested states that the two procedures are equally effective. The alternative hypothesis is likely to be one-sided and to state that the experimental procedure is better than the standard.
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Is PMI the Hypothesis or the Null Hypothesis?
Journal of Medical Entomology, 2017Over the past several decades, there have been several strident exchanges regarding whether forensic entomologists estimate the postmortem interval (PMI), minimum PMI, or something else. During that time, there has been a proliferation of terminology reflecting this concern regarding "what we do." This has been a frustrating conversation for some in ...
Aaron M, Tarone, Michelle R, Sanford
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The nature of mental imagery: How null is the “null hypothesis”?
Behavioral and Brain Sciences, 2002Is mental imagery pictorial? In Pylyshyn's view no empirical data provides convincing support to the “pictorial” hypothesis of mental imagery. Phenomenology, Pylyshyn says, is deeply deceiving and offers no explanation of why and how mental imagery occurs.
DALLA BARBA, GIANFRANCO +2 more
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Annals of Internal Medicine, 1972
Excerpt To the editor: In the article, "Digital Capillary Blood Flow in Clubbing" (Ann Intern Med75:933-935, 1971), Table 1 has the following footnote: "P= probability that difference between the m...
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Excerpt To the editor: In the article, "Digital Capillary Blood Flow in Clubbing" (Ann Intern Med75:933-935, 1971), Table 1 has the following footnote: "P= probability that difference between the m...
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American Journal of Orthodontics and Dentofacial Orthopedics, 2013
Robert W F, Vitral +2 more
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Robert W F, Vitral +2 more
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Confirming the null hypothesis
Critical Care Medicine, 1987J B, Downs, J, Räsänen
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“Proving the Null Hypothesis” in clinical trials
Controlled Clinical Trials, 1981When designing a clinical trial to show whether a new or experimental therapy is as effective as a standard therapy (but not necessarily more effective), the usual null hypothesis of equality is inappropriate and leads to logical difficulties. Since therapies cannot be shown to be literally equivalent, the appropriate null hypothesis is that the ...
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