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Antoniou, Faye; Alkhadim, Ghadah; Mouzaki, Angeliki; Simos, Panagiotis – Journal of Intelligence, 2022
The purpose of the present study was to evaluate the psychometric properties of Raven's colored progressive matrices by estimating the presence of pseudo-guessing and pseudo-carelessness. Participants were 1127 children from ages 5 to 11. Guessing and carelessness were assessed using the lower and upper asymptotes of the 3PL and 4PL item response…
Descriptors: Psychometrics, Intelligence Tests, Item Response Theory, Children
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Vassiliu, Chrysoula; Mouzaki, Angeliki; Antoniou, Faye; Ralli, Asimina M.; Diamanti, Vassiliki; Papaioannou, Sophia; Katsos, Napoleon – Communication Disorders Quarterly, 2023
The few reports on the language skills of children with attention-deficit/hyperactivity disorder (ADHD) offer conflicting evidence on whether they face significant challenges, and if so, whether these challenges are present in all aspects of language. Here, we investigated a sample of Greek-speaking children with ADHD (n = 29) using a structural…
Descriptors: Language Acquisition, Language Skills, Children, Attention Deficit Hyperactivity Disorder
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Fragkouli, Konstantina; Antoniou, Faye; Mouzaki, Angeliki; Ralli, Asimina M.; Kokkali, Vasiliki; Alexoudi, Kariofyllia – Reading & Writing Quarterly, 2022
The development of spelling skill is an intricate process for children with or at risk of Specific Learning Disabilities and requires targeted interventions. This problem exacerbates in the Greek orthographic system owning to its high complexity. The current study presents a novel spelling intervention program for Greek 3rd graders at risk of…
Descriptors: Intervention, Spelling, At Risk Students, Reading Fluency