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Analysis of covariance

open access: yesPsychiatry and Behavioral Sciences, 2017
Analysis of Covariance (ANCOVA) is a statistical method which is an extension of ANOVA that provides a way of statistically controlling the linear effect of variables one does not want to examine in a study.
Selim Kılıc
doaj   +2 more sources

Winter Wheat Cultivar Recommendation Based on Expected Environment Productivity

open access: yesAgriculture, 2021
We used 5 years of data from multi-environmental trials conducted in Poland to assess average winter wheat yield based on selected environmental factors to recommend cultivars depending on their performance in environments of different productivity ...
Marzena Iwańska   +3 more
doaj   +1 more source

Accounting for Patient Engagement in Randomized Controlled Trials Evaluating Digital Cognitive Behavioral Therapies

open access: yesApplied Sciences, 2022
Background: Cognitive behavioral therapy (CBT) can be a useful treatment option for various mental health disorders. Modern advances in information technology and mobile communication enable delivery of state-of-the-art CBT programs via smartphones ...
Oleksandr Sverdlov, Yevgen Ryeznik
doaj   +1 more source

Evaluation of Randomised Controlled Trials Published in Indian Specialty Dental Journals for Statistical Testing of Baseline Differences: A Meta-Epidemiological Study

open access: yesIndian Journal of Dental Research, 2023
Background: In randomised controlled trials (RCTs), the application of a test of significance to compare the baseline differences between the intervention groups is a common practice, though it has been condemned by many researchers.
Mahesh R. Khairnar   +5 more
doaj   +1 more source

The impact of different approaches to the teaching of Grade 5 fraction by three experienced teachers

open access: yesSouth African Journal of Childhood Education, 2021
Background: Many teachers for different reasons recognise the teaching of fraction as a challenge. This research explored the teaching of fraction in Grade 5 by three experienced teachers (Ben, Greg and Will) in KwaZulu-Natal province, South Africa. Aim:
Ifunanya J.A. Ubah
doaj   +1 more source

A Comparison of Analysis of Covariate-Adjusted Residuals and Analysis of Covariance [PDF]

open access: yesCommunications in Statistics - Simulation and Computation, 2009
Various methods to control the influence of a covariate on a response variable are compared. In particular, ANOVA with or without homogeneity of variances (HOV) of errors and Kruskal-Wallis (K-W) tests on covariate-adjusted residuals and analysis of covariance (ANCOVA) are compared.
Elvan Ceyhan, Carla L. Goad
openaire   +2 more sources

Nonparametric analysis of covariance [PDF]

open access: yesThe Annals of Statistics, 2001
In the problem of testing the equality of k regression curves from independent samples we discuss three methods using nonparametric estimation techniques of the regression function. The first test is based on a linear combination of estimators for the integrated variance function in the individual samples and in the combined sample. The second approach
Dette, Holger, Neumeyer, Natalie
openaire   +4 more sources

Design and Validation of an Augmented Reality Teaching System for Primary Logic Programming Education

open access: yesSensors, 2022
Programming is a skill that requires high levels of logical thinking and problem-solving abilities. According to the Curriculum Guidelines for the 12-Year Basic Education currently implemented in Taiwan, programming has been included in the mandatory ...
Chi-Yi Tsai, Yu-Cheng Lai
doaj   +1 more source

Obese Subjects without Eating Disorders Experience Binge Episodes Also Independently of Emotional Eating and Personality Traits among University Students of Southern Italy

open access: yesBrain Sciences, 2021
It is widely acknowledged that obesity is a growing public clinical issue involving both physical and psychological well-being. Nevertheless, the relationship between psychological features and weight gain is still unclear. Although emotional eating (EE)
Ines Villano   +11 more
doaj   +1 more source

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