Results 41 to 50 of about 6,103,116 (298)
Using exploratory factor analysis in information system (IS) research [PDF]
This paper is part of a field study that explored the impact of Information System implementation on Organisational Performance by examining the concept of IS effectiveness and by exploring how businesses arrive at the conclusion that the undertaking is ...
Koufopoulos, DN +2 more
core
Confirmatory factor analysis of the Competitive State Anxiety Inventory-2 [PDF]
bstract]: The present study evaluated the factor structure of the Competitive State Anxiety Inventory-2 (CSAI-2: Martens, Vealey, Burton, Bump, and Smith, 1990) using confirmatory factor analysis.
Sewell, David F. +4 more
core +1 more source
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele +19 more
wiley +1 more source
Factor analysis latent subspace modeling and robust fuzzy clustering using t-distributions
Factor analysis is a latent subspace model commonly used for local dimensionality reduction tasks. Fuzzy c-means (FCM) type fuzzy clustering approaches are closely related to Gaussian mixture models (GMMs), and expectation - maximization (EM) like ...
Varvarigou, T +3 more
core +1 more source
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu +8 more
wiley +1 more source
Visão além do alcance: uma introdução à análise fatorial
Resumo: Como mensurar fenômenos que não podem ser diretamente observados? O principal objetivo desse artigo é demonstrar por que a análise fatorial é a resposta mais adequada para responder a essa pergunta. Metodologicamente, utilizamos um banco de dados
Dalson Brito Figueiredo Filho +1 more
doaj +1 more source
ABSTRACT Background 131I‐metaiodobenzylguanidine (131I‐MIBG) radiotherapy is a key treatment for relapsed and refractory (R/R) neuroblastoma (NB). Patients with R/R disease treated in the modern era are increasingly exposed to anti‐GD2 immunotherapy, which exerts selective pressure and may modify both tumor cell state and microenvironment.
Benjamin J. Lerman +7 more
wiley +1 more source
RESUMO O objetivo deste estudo foi avaliar a qualidade da água e identificar os grupos de poluição presentes no médio Rio Pomba, por meio de técnica estatística multivariada.
Hugo A. S. Guedes +5 more
doaj +1 more source
ABSTRACT Background Sickle cell disease (SCD) is a chronic, inherited hemoglobinopathy that requires frequent hospitalization for disease‐related complications. Canadian data on inpatient care is limited. This study compared caregiver‐reported hospital experiences of children with SCD to those with cystic fibrosis (CF), a chronic, autosomal recessive ...
Hailey M. Zwicker +11 more
wiley +1 more source

