Results 51 to 60 of about 2,181,553 (341)

Modeling heterogeneous variance–Covariance components in two-level models [PDF]

open access: yes, 2014
Applications of multilevel models to continuous outcomes nearly always assume constant residual variance and constant random effects variances and covar-iances.
Browne, William   +3 more
core   +3 more sources

Lifestyle Behaviors and Cardiotoxic Treatment Risks in Adult Childhood Cancer Survivors

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Higher doses of anthracyclines and heart‐relevant radiotherapy increase cardiovascular disease (CVD) risk. This study assessed CVD and CVD risk factors among adult childhood cancer survivors (CCSs) across cardiotoxic treatment risk groups and examined associations between lifestyle behaviors and treatment risks.
Ruijie Li   +6 more
wiley   +1 more source

Dimensions of perceived product quality – understanding the consumer’s view [PDF]

open access: yes, 2009
Objectives. We identify core product quality components from the consumers’ perspective and construct a psychometrically sound instrument for their assessment within different purchasing contexts. Methods.
Brändli, Dieter   +3 more
core   +1 more source

Changes in Body Composition in Children and Young People Undergoing Treatment for Acute Lymphoblastic Leukemia: A Systematic Review and Meta‐Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Ongoing evidence indicates increased risk of sarcopenic obesity among children and young people (CYP) with acute lymphoblastic leukemia (ALL), often beginning early in treatment, persisting into survivorship. This review evaluates current literature on body composition in CYP with ALL during and after treatment.
Lina A. Zahed   +5 more
wiley   +1 more source

Performance of Brazilian Companies: Year Effects, Line of Business and Individual Firms [PDF]

open access: yesBAR: Brazilian Administration Review, 2004
Performance varies. This simple statement conceals many intricacies of strategic management. Because performance varies among individual firms, researchers can explore factors that differentiate these firms and explain why some firms are consistently ...
Luiz Artur Ledur Brito   +1 more
doaj  

Investigating microstructural variation in the human hippocampus using non-negative matrix factorization

open access: yes, 2019
In this work we use non-negative matrix factorization to identify patterns of microstructural variance in the human hippocampus. We utilize high-resolution structural and diffusion magnetic resonance imaging data from the Human Connectome Project to ...
Chakravarty, M.   +7 more
core   +1 more source

Parent‐to‐Child Information Disclosure in Pediatric Oncology

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Despite professional consensus regarding the importance of open communication with pediatric cancer patients about their disease, actual practice patterns of disclosure are understudied. Extant literature suggests a significant proportion of children are not told about their diagnosis/prognosis, which is purported to negatively ...
Rachel A. Kentor   +12 more
wiley   +1 more source

Eggshell Qualities as Indicative of Eggshell Strength for Layer Selection

open access: yesBrazilian Journal of Poultry Science
The study aimed at investigating which of four traits is the most representative of eggshell strength (destructive eggshell thickness measurement, eggshell weight, egg specific gravity, ultrasonic measurement of eggshell thickness) and could be used for ...
L Kibala   +4 more
doaj   +1 more source

Age-specific survival of male Golden-cheeked Warblers on the Fort Hood Military Reservation, Texas

open access: yesAvian Conservation and Ecology, 2014
Population models are essential components of large-scale conservation and management plans for the federally endangered Golden-cheeked Warbler (Setophaga chrysoparia; hereafter GCWA). However, existing models are based on vital rate estimates calculated
Adam Duarte   +4 more
doaj   +1 more source

Variance and Skewness in the FIRST survey [PDF]

open access: yes, 1998
We investigate the large-scale clustering of radio sources in the FIRST 1.4-GHz survey by analysing the distribution function (counts in cells). We select a reliable sample from the the FIRST catalogue, paying particular attention to the problem of how ...
Lahav, O.   +3 more
core   +2 more sources

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