Results 101 to 110 of about 1,095,010 (241)
Construct Validity of the Swedish Version of the Revised Piper Fatigue Scale in an Oncology Sample—A Rasch Analysis [PDF]
, 2014 ObjectivesFatigue is a common and distressing symptom in cancer patients due to both the disease and its treatments. The concept of fatigue is multidimensional and includes both physical and mental components.
Dencker, Anna +4 more
core +1 more source
Parents Perceptions of Play in School: Findings From the British Children's Play Survey
Psychology in the Schools, EarlyView.ABSTRACT Using data from the British Children's Play Survey, we aimed to characterise parents’ perception of play in school and to examine to what extent perceptions were accounted for by socio‐demographic factors, geographic factors, and parents’ attitudes towards risk in play and protection from injury.
Rachel. J. Nesbit +2 more
wiley +1 more source
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Hydrazinium nitroformate (HNF) is a chlorine‐free, high‐energy oxidizer with promising applications in green propulsion systems. This review examines the thermal decomposition, combustion kinetics, flame structure, and behavior of HNF, while critically evaluating the current body of literature.
Lakshay Bansal +2 more
wiley +1 more source
A new method for detecting differential item functioning in the Rasch model [PDF]
, 2010 Differential item functioning (DIF) can lead to an unfair advantage or disadvantage for certain subgroups in educational and psychological testing. Therefore, a variety of statistical methods has been suggested for detecting DIF in the Rasch model.
Kopf, Julia +2 more
core +2 more sources
The Derivation of Deser's Formula and Electromagnetic Corrections to the Pionium Life Time [PDF]
arXiv, 1998 We give the modern derivation of Deser's formula using analytic continuation of the scattering amplitude as a function of momentum. The electromagnetic corrections to the pionium lifetime are given as evaluated in a potential model.
arxiv
Threshold Concepts and Concept Networks in Evolution Education: An Experimental Intervention Study
Science Education, EarlyView.ABSTRACT This study analyzes the effect of different instructions on threshold concepts within material covering natural selection on students' use of concepts about evolution. Moreover, it examines students' use of concepts as interconnected networks when reasoning about natural selection and analyzes how these concepts relate to each other regarding ...
Helena Aptyka +2 more
wiley +1 more source
Exploring rater judging behaviour using the many-facet rasch model [PDF]
, 2007 Performance assessment, unlike the traditional fixed-response assessment, has features peculiar to its assessment setting (the task choice, the task processing conditions, the raters,the rating scale, and the rating procedures) that make it much more ...
Abu Kassim, Noor Lide
core
How Food Insecure Are People Living in Australia?
Australian Journal of Agricultural and Resource Economics, EarlyView.ABSTRACT Food insecurity has been an overlooked problem in Australia, with the extant literature voicing concerns around the reliability of the official measure of food insecurity. I provide population prevalence estimates of food insecurity in Australia using fresh data on Food Insecurity Experience Scale reported, for the first time, in the 2020 ...
Chandana Maitra
wiley +1 more source
Location matters! Geospatial dynamics of MP responses to Covid‐19 protests in multilevel systems
European Journal of Political Research, Volume 64, Issue 2, Page 513-534, May 2025.Abstract In liberal democracies, protest can serve as a trigger for necessary policy reforms, but it can also be used by a loud minority to advance political goals against the will of the majority. Focusing on such vocal protests in the context of the Covid‐19 pandemic, we investigate the following question: How does the location of protest events ...
LENNART SCHÜRMANN +2 more
wiley +1 more source
Flexible Rasch Mixture Models with Package psychomix [PDF]
Measurement invariance is an important assumption in the Rasch model and mixture models constitute a flexible way of checking for a violation of this assumption by detecting unobserved heterogeneity in item response data.
Achim Zeileis +3 more
core