Results 31 to 40 of about 3,769,160 (235)

Alternate Forms of the One-Way ANOVA F and Kruskal–Wallis Test Statistics

open access: yesJournal of Statistics and Data Science Education, 2022
For ease of instruction in the classroom, the one-way analysis of variance F statistic is rewritten in terms of pairwise differences in individual sample means instead of differences of individual sample means from the overall sample mean.
Roger W. Johnson
semanticscholar   +1 more source

Risk profile of postnatal women and their babies attending a rural district hospital in South Africa

open access: yesFrontiers in Global Women's Health, 2022
BackgroundMaternal and neonatal mortality remain unacceptably high and inequitably distributed in South Africa, with the postnatal period being a dangerous time for both mother and baby.
Kate Rees   +9 more
doaj   +1 more source

ANOVA simultaneous component analysis: A tutorial review

open access: yesAnalytica chimica acta: X, 2020
When analyzing experimental chemical data, it is often necessary to incorporate the structure of the study design into the chemometric/statistical models to effectively address the research questions of interest.
C. Bertinetto, J. Engel, J. Jansen
semanticscholar   +1 more source

Power comparison of ANOVA and Kruskal‒Wallis tests when error assumptions are violated

open access: yesAdvances in Methodology and Statistics, 2021
The effects of the violations of normality and homogeneity of variances assumptions on the power of the one-way ANOVA F-test is studied in this paper.
F. Nwobi, Felix Akanno
semanticscholar   +1 more source

A Tutorial on Conducting and Interpreting a Bayesian ANOVA in JASP

open access: yesL’Année psychologique, 2019
Analysis of variance (ANOVA) is the standard procedure for statistical inference in factorial designs. Typically, ANOVAs are executed using frequentist statistics, where p-values determine statistical significance in an all-or-none fashion.
D. van den Bergh   +16 more
semanticscholar   +1 more source

Taking Parametric Assumptions Seriously: Arguments for the Use of Welch’s F-test instead of the Classical F-test in One-Way ANOVA

open access: yesInternational Review of Social Psychology, 2019
Student’s t-test and classical F-test ANOVA rely on the assumptions that two or more samples are independent, and that independent and identically distributed residuals are normal and have equal variances between groups.
Marie Delacre   +3 more
semanticscholar   +1 more source

Making ward-based outreach teams an effective component of human immunodeficiency virus programmes in South Africa

open access: yesSouthern African Journal of HIV Medicine, 2018
The implementation of ward-based outreach teams (WBOTs), comprised of community health workers (CHWs), is one of the three interventions of the South African National Department of Health’s (NDoH) Primary Health Care (PHC) Re-engineering strategy for ...
Nireshni Naidoo   +7 more
doaj   +1 more source

Factorial ANOVA with unbalanced data: A fresh look at the types of sums of squares

open access: yes, 2021
In this paper we endeavour to provide a largely non-technical description of the issues surrounding unbalanced factorial ANOVA and review the arguments made for and against the use of Type I, Type II and Type III sums of squares.
Carrie Smith, Robert A. Cribbie
semanticscholar   +1 more source

Understanding one-way ANOVA using conceptual figures

open access: yesKorean Journal of Anesthesiology, 2017
Analysis of variance (ANOVA) is one of the most frequently used statistical methods in medical research. The need for ANOVA arises from the error of alpha level inflation, which increases Type 1 error probability (false positive) and is caused by ...
Tae Kyun Kim
semanticscholar   +1 more source

Orally Administered Probiotics in the Prevention of Chemotherapy (± Radiotherapy)-Induced Gastrointestinal Toxicity: A Systematic Review With Meta-Analysis of Randomized Trials

open access: yesIntegrative Cancer Therapies, 2022
Background: Chemoradiotherapy-induced gastrointestinal toxicity may lead to a significant impairment of the oncological patient’s quality of life, as well as to reduced adherence to the treatment, which may have a negative impact on survival and ...
Radoslav Danis PharmDr   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy