Results 1 to 10 of about 7,996 (206)

Specific psychological factors associated with suicidal ideation: a transdiagnostic approach to psychological responses in adolescents [PDF]

open access: yesBMC Psychology
Background Suicidal ideation increases the risk of suicidal behavior and death in adolescents, and it is associated with adverse mental health outcomes.
Patricia Bravo   +2 more
doaj   +2 more sources

Antiguos cantos de peregrinos: oralidad y escritura en el Llibre Vermell de Montserrat y otras fuentes medievales

open access: yesAd Limina, 2023
Las vías de peregrinación en la Edad Media conformaron las principales rutas para el movimiento de personas e ideas, tanto por causa de devoción como por necesidades de la actividad profesional.
Santiago Galán Gómez
doaj   +1 more source

Mechanical characteristics and microstructure of salt-rich cement-soil

open access: yesShuiwen dizhi gongcheng dizhi, 2021
In order to examine the effect of Mg2+, Cl− and \begin{document}${\rm{SO}}_4^{2-} $\end{document} on the strength of salt-rich cement-soil, a series of unconfined compression tests of salt-rich cement-soil with different curing ages are carried out to ...
Haofeng XING, Hao ZHANG, Haoming LI
doaj   +1 more source

Measuring social well-being in Africa: An exploratory structural equation modelling study

open access: yesAfrican Journal of Psychological Assessment, 2021
The study investigated the factor structure of the 15-item social well-being scale in an African context. Social well-being is categorised into five dimensions: social integration, social contribution, social coherence, social actualisation and social ...
Itumeleng P. Khumalo   +3 more
doaj   +1 more source

Exploratory Structural Equation Modeling: Practical Guidelines and Tutorial With a Convenient Online Tool for Mplus

open access: yesFrontiers in Psychiatry, 2022
Critics of positive psychology have questioned the validity of positive psychological assessment measures (PPAMs), which negatively affects the credibility and public perception of the discipline. Psychometric evaluations of PPAMs have shown that various
Llewellyn E. van Zyl   +4 more
doaj   +1 more source

Investigating the Dimensionality of Early Numeracy Using the Bifactor Exploratory Structural Equation Modeling Framework

open access: yesFrontiers in Psychology, 2021
The few studies that have analyzed the factorial structure of early number skills have mainly used confirmatory factor analysis (CFA) and have yielded inconsistent results, since early numeracy is considered to be unidimensional, multidimensional or even
Christophe Dierendonck   +5 more
doaj   +1 more source

The micro-meter-sized plastic asperities by AC electric field for Poly-vinyl chloride solvent

open access: yesNihon Kikai Gakkai ronbunshu, 2020
In order to create an inexpensive micrometer-sized plastic asperities, a polyvinyl chloride solvent dissolved in acetone was prepared so that the solvent droplet was put on silicon substrate and placed between parallel plate electrodes (the gap was 5 mm).
Yusei YAMADA   +3 more
doaj   +1 more source

Microstructure of a cement matrix composite reinforced with polypropylene fibers

open access: yesMateriales de Construccion, 2004
The present investigation deals with the microstructural characterization of a composite material, which is comprised of polypropylene fibers in an cement matrix, by means of environmental scanning electron microscopy (ESEM) and field emission scanning ...
J. M. Rincón   +4 more
doaj   +1 more source

Genetic analysis and fine mapping of the RK4 gene for round kernel in rice (Oryza sativa L.)

open access: yesCzech Journal of Genetics and Plant Breeding, 2017
Grain shape of rice is an important trait for both yield and quality. A rice rk4 (round kernel) mutant was obtained from the japonica variety Zhonghua 11 by radiation of 60Co-γ.
Shengqiang LI   +5 more
doaj   +1 more source

Bifactor exploratory structural equation modeling: A meta-analytic review of model fit

open access: yesFrontiers in Psychology, 2022
Multivariate behavioral research often focuses on latent constructs—such as motivation, self-concept, or wellbeing—that cannot be directly observed. Typically, these latent constructs are measured with items in standardized instruments.
Andreas Gegenfurtner
doaj   +1 more source

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