Results 201 to 210 of about 305,095 (286)

The Random Power Function for Tests Based on Pivotal Quantities

open access: yesInternational Statistical Review, EarlyView.
Summary In clinical trials planning, evaluation of the probability of success of an experiment is of central interest, for instance, in sample size determination. This assessment typically involves analyses of the power function of a test on a parameter of interest, such as a relevant treatment effect.
Fulvio De Santis   +2 more
wiley   +1 more source

Speciation of European bullheads (Cottus spp.): The next problem for taxonomy of northern freshwater fishes

open access: yesJournal of Fish Biology, EarlyView.
Abstract High morphological and ecological diversity displayed by European bullheads led Freyhof et al. (2005) to describe 15 nominal species. However, the basis for declaring these nominal species is contentious due to a lack of rigorous statistical analysis of morphological variations among populations, limitations in the inferences made from ...
David S. Murray   +3 more
wiley   +1 more source

Perceiving Vegetation From Social Positions: Discourses on Plants in a Mediterranean Landscape

open access: yesSociology Lens, EarlyView.
ABSTRACT Understanding how vegetation is perceived, named and valued requires attention to the social positions from which these perceptions are produced. This article analyses vegetation perception from different social positions based on qualitative research conducted in the province of Jaén (Andalusia, Spain), a Mediterranean landscape characterized
Javier Jurado‐Pardeiro   +3 more
wiley   +1 more source

White matter alterations in crossing fibres following traumatic brain injury. [PDF]

open access: yesBrain Commun
Jia Y   +8 more
europepmc   +1 more source

An open fMRI resource for studying human brain function and covert consciousness under anesthesia. [PDF]

open access: yesSci Data
Huang Z   +11 more
europepmc   +1 more source

Cross‐Sectional Studies: Strengths, Limitations, and Methodological Considerations

open access: yesJournal of Periodontal Research, EarlyView.
Cross‐sectional studies measure variables at a single time point to estimate prevalence and support descriptive epidemiology ‐ characterizing population health, tracking trends via repeated surveys – and for developing and validating screening instruments and diagnostic models.
Sebastian‐Edgar Baumeister   +4 more
wiley   +1 more source

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