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A Psychometric Analysis of Raven's Colored Progressive Matrices: Evaluating Guessing and Carelessness Using the 4PL Item Response Theory Model
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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
Development of Structural and Pragmatic Language Skills in Children with Attention-Deficit/Hyperactivity Disorder
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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
Quality of Teacher-Child Relationships: An Exploration of Its Effect on Children's Emergent Literacy Skills
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Vatou, Anastasia; Gregoriadis, Athanasios; Tsigilis, Nikolaos; Grammatikopoulos, Vasilis – International Journal of Early Childhood, 2023
The current study aims to examine the way in which teachers' and children's perceptions about their relationships influence children's emergent literacy skills. Participants were 913 children and 114 kindergarten teachers within 72 preschool centers from Greece. The measures used were the Student-Teacher Relationship Scale (STRS), the Child…
Descriptors: Teacher Student Relationship, Emergent Literacy, Teacher Attitudes, Student Attitudes
Bilingualism Effects on Cognition in Autistic Children Are Not All-or-Nothing: The Role of Socioeconomic Status in Intellectual Skills in Bilingual Autistic Children
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Peristeri, Eleni; Silleresi, Silvia; Tsimpli, Ianthi Maria – Autism: The International Journal of Research and Practice, 2022
Children with autism often display discrepancies in their intellectual functioning, with nonverbal skills frequently being more developed than verbal. Compared to monolingual autistic children, however, much less is known about how bilingualism affects intelligence in autism. The current study examined the intelligence profiles of 146 bilingual…
Descriptors: Bilingualism, Autism Spectrum Disorders, Socioeconomic Status, Intelligence
Differences in Oral Language Growth between Children with and without Literacy Difficulties: Evidence from Early Phases of Learning to Read and Spell in Greek
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Kargiotidis, Apostolos; Grigorakis, Ioannis; Mouzaki, Angeliki; Manolitsis, George – Australian Journal of Learning Difficulties, 2021
The present study examined oral language growth differences in a sample of 256 Greek-speaking children with and without literacy difficulties (LD), during the first two elementary grades. Measures of vocabulary, phonological awareness (PA), morphological awareness (MA), and rapid automatized naming (RAN) were administered in both grades for the…
Descriptors: Oral Language, Vocabulary Development, Elementary School Teachers, Phonological Awareness
Evaluation of a Spelling Intervention Program for Third Graders at Risk for Learning Disabilities
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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