Results 91 to 100 of about 234,443 (351)

Evaluation of the psychometric properties of the family adaptability and cohesion scale (FACES III) through item response theory models in students from Chile and Colombia

open access: yesBMC Psychology
Background A psychometric study of the Family Adaptability and Cohesion Scale (FACES III) has been conducted in Spanish-speaking countries from the perspective of the classical test theory.
Lindsey W. Vilca   +9 more
doaj   +1 more source

Age and Sex Effects in Anchoring Vignette Studies: Methodological and Empirical Contributions

open access: yesSurvey Research Methods, 2013
Anchoring vignettes are an increasingly popular tool for identifying and correcting for group differences in use of subjective ordered response categories. However, existing techniques to maximize response consistency (use of the same standards for self-
Hanna Grol-Prokopczyk
doaj   +1 more source

Constructing three emotion knowledge tests from the invariant measurement approach [PDF]

open access: yes, 2017
Background. Psychological constructionist models like the Conceptual Act Theory (CAT) postulate that complex states such as emotions are composed of basic psychological ingredients that are more clearly respected by the brain than basic emotions.
Burin, Debora Ines   +2 more
core   +5 more sources

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

anchors: Software for Anchoring Vignette Data

open access: yesJournal of Statistical Software, 2011
When respondents use the ordinal response categories of standard survey questions in different ways, the validity of analyses based on the resulting data can be biased.
Jonathan Wand, Gary King, Olivia Lau
doaj  

Geschlechterunterschiede im Zentralabitur? Fairness von High-Stakes-Tests für Jungen und Mädchen im Fach Englisch in Nordrhein-Westfalen im Kontext der Educational Governance [PDF]

open access: yes, 2016
The shift from decentralized to centralized A-level examinations (Abitur) was implemented in the German school system as a measure of Educational Governance in the last decade.
Lorenz, Ramona
core   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Funcionamento diferencial dos itens do Teste Cloze por Opção

open access: yesArquivos Brasileiros de Psicologia, 2011
This study analyzed the differential item functioning of Teste Cloze por Opção EM/U that assess collectively reading comprehension. The subjects were 489 students.
Maria Cristina Rodrigues Azevedo Joly   +1 more
doaj  

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