Abstract

GARIBOLDI, María Belén  and  SALSA, Analía M.. Knowledge about the formal and referential aspects of drawing, writing and numerals during mothers and young children shared book reading. Interdisciplinaria [online]. 2018, vol.35, n.2, pp.477-494. ISSN 1668-7027.

Children acquire knowledge about external representational systems in interaction with adults who operate as mediators of their cognitive processes. Several studies have shown that 2.5-year-old children are able to recognize drawings, and 4-year-old children can distinguish between drawing, writing and numerals. The present study focuses on a developmental analysis of the knowledge about the formal properties and the referential function of these three systems that 2.5- and 4-year-old children unfold with their mothers during shared reading sessions. The referential function is the representational relation between the system and the referent. Each system has a referential function that is the result of a social convention: figurative drawing depicts the identity and characteristics of the referent, writing is a graphic representation of oral language and numerals represent numerical information. The formal properties include the name of the representational systems and their graphic units, the form of the strokes, their spatial disposition and their compositional rules. Our specific goals were:(1) to establish which representational system isthe main focus of attention; (2) to describe and analyze whether and how mothers and children elaborate knowledge about the formal properties and referential function of the systems; (3) to understand how notational knowledge emerges describing the educative-communicative basis of the interactions; and (4) to compare the focus of attention, notational knowledge and the educative-communicative basis of interactions as a function of children's age. Twenty-six mothers and their 2.5- (n = 13) and 4-year-old children (n = 13) participated. They were given a book and told to look at it together. The book was specially designed for this study; it includes in each page drawings of an animal, its written name and the numeral for the number of animals depicted (1 to 9). We designed a system of categories with three levels of analysis, related to the specific goals of the study: focus of attention, notational knowledge and educative-communicative basis. We performed non-parametric statistical analysis: Wilcoxon test and Mann- Whitney's U test. Results show that dyads of both age groups focused their attention on drawings more than on writing and numerals. However, 4-year-old children and their mothers made significantly more utterances about writing and numerals than the other group. Attention to writing and numerals in the older group seemed to be guided by mothers' interest to teach those systems to their children. Dyads talked especially about the referential function of drawing, as a representation of the identity of the referent at 2.5 years of age and as a representation of the identity and quantity at 4 years. Although less attention was paid to writing and numerals, the youngest children's mothers provided information about the formal properties of numerals and the mothers and the 4-year-old children elaborated this aspect of knowledge of both representational systems. Furthermore, in the older group, dyads started to discuss the referential function of numerals. With regard to the educative-communicative basis of the interactions, the mothers of both age groups tended to request information about the referents of drawings more than to provide their children with this kind of information. The mothers in the 2.5-year-olds' group provided information about the formal properties of numerals, while in the 4-year-olds' group the mothers both requested and provided this kind of information. Finally, the formal properties of writing were elaborated only by mothers in the older group. We discuss these results in terms of the potential of shared reading for the early acquisition of notational knowledge.

Keywords : Mother-infant interaction; Shared reading; External representational systems; Referential function; Formal properties.

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