Results 21 to 30 of about 571,182 (244)

A comparison of parameter covariance estimation methods for item response models in an expectation-maximization framework [PDF]

open access: yes, 2017
The Expectation-Maximization (EM) algorithm is a method for finding the maximum likelihood estimate of a model in the presence of missing data. Unfortunately, EM does not produce a parameter covariance matrix for standard errors.
Pritikin, Joshua N.
core   +2 more sources

Mindfulness-Based Mobile Applications: Literature Review and Analysis of Current Features

open access: yesJMIR mHealth and uHealth, 2013
BackgroundInterest in mindfulness has increased exponentially, particularly in the fields of psychology and medicine. The trait or state of mindfulness is significantly related to several indicators of psychological health, and mindfulness-based ...
Plaza, Inmaculada   +3 more
doaj   +1 more source

Decision theory results for one-sided multiple comparison procedures

open access: yes, 2005
A resurgence of interest in multiple hypothesis testing has occurred in the last decade. Motivated by studies in genomics, microarrays, DNA sequencing, drug screening, clinical trials, bioassays, education and psychology, statisticians have been devoting
Cohen, Arthur, Sackrowitz, Harold B.
core   +1 more source

Rank ordering of questionnaire items using Wilks’s statistic: an example of application to three populations [PDF]

open access: yes, 2017
Wilks’ test (1938) constitutes a major contribution to statistics and in practical applications. It is admittedly a classical method but even so it is of real interest because it is highly convenient to use.
M. Maurin, S. Gaymard
core   +3 more sources

Confirmatory factor analysis of the Test of Performance Strategies (TOPS) among adolescent athletes [PDF]

open access: yes, 2004
The aim of the present study was to examine the factorial validity of the Test of Performance Strategies (TOPS; Thomas et al., 1999) among adolescent athletes using confirmatory factor analysis.
Andrew M Lane   +12 more
core   +1 more source

Abandon Statistical Significance [PDF]

open access: yes, 2018
We discuss problems the null hypothesis significance testing (NHST) paradigm poses for replication and more broadly in the biomedical and social sciences as well as how these problems remain unresolved by proposals involving modified p-value thresholds ...
Gal, David   +4 more
core   +2 more sources

Statistical Hypothesis Testing: A Comprehensive Review of Theory, Methods, and Applications

open access: yesMathematics
Statistical hypothesis testing is a foundational concept in inferential statistics, providing formal mechanisms for evaluating evidence and making decisions.
Vesna Rajić
doaj   +1 more source

Identification of and correction for publication bias

open access: yes, 2017
Some empirical results are more likely to be published than others. Such selective publication leads to biased estimates and distorted inference. This paper proposes two approaches for identifying the conditional probability of publication as a function ...
Andrews, Isaiah, Kasy, Maximilian
core   +1 more source

A validity and reliability study of the Attitudes toward Sustainable Development scale [PDF]

open access: yes, 2016
This article describes the development and validation of the Attitudes toward Sustainable Development scale, a quantitative 20-item scale that measures Italian university students\u2019 attitudes toward sustainable development.
Biasutti, Michele, Frate, Sara
core   +1 more source

Statistical Inferences for Polarity Identification in Natural Language

open access: yes, 2018
Information forms the basis for all human behavior, including the ubiquitous decision-making that people constantly perform in their every day lives. It is thus the mission of researchers to understand how humans process information to reach decisions ...
Feuerriegel, Stefan   +2 more
core   +2 more sources

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