“…The definitional skills have been investigated so far in the fields of education, psycholinguistics, and speech-language pathology. Previous research focused on the impact of literacy and school achievement (Artuso et al, 2021;Marinellie, 2010;Snow et al, 1989;Thorndike, Hagen, & Sattler, 1986;Watson, 1985), the effect of developmental characteristics or language impairment (Dosi & Gavriilidou, 2020;Dosi, Gavriilidou & Dourou, 2021;Gutierrez-Clellen & DeCurtis, 1999;Marinellie & Johnson, 2002) and finally the effect of first and second language (El Euch, 2007) on definitional skills.…”