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The Role of Language in the Development of Epistemic ConceptsSan Juan, Valerie 19 December 2012 (has links)
This thesis examines the effects of linguistic input on the development of children’s epistemic concepts. It draws upon two fundamental questions in the field of cognitive development: (a) whether distinctions between automatic and controlled forms of cognitive processing are indicative of underlying conceptual differences, and (b) whether language is critical to the process of concept development. To establish the background of the current research, a summary of how these theoretical questions have been addressed in other fields of cognitive psychology is first provided (Chapter 1). These questions are then re- examined within the specific domain of epistemic concept development (Chapter 2). Changes in false-belief processing that occur between infancy and the early preschool years are discussed in relation to two competing theories of false-belief development. A framework to explain how language promotes children’s transition between automatic and controlled forms of processing is then provided. It is suggested that language facilitates change by both reducing the cognitive demands associated with controlled response tasks as well as assisting with the formation of robust epistemic representations. An empirical study that was designed to examine the effects of epistemic language (i.e., verbs and syntax) on children’s automatic and controlled processing of belief is then described (Chapters 3 to 5). Eighty-four children (Mage = 3;5 years), who initially failed elicited measures of false-belief, were trained with visual contexts of true- and false-belief. The critical manipulation across three conditions was the linguistic input presented in conjunction with these contexts. Children heard narrations that contained either (a) the description of an agent’s actions without an epistemic verb, (b) a familiar epistemic verb (thinks) across both contexts, or (c) the familiar epistemic verb in contexts of true-belief and a novel epistemic verb (gorps) in contexts of false-belief. Results demonstrated a significant advantage for children who were trained with epistemic verbs on spontaneous measures of false-belief (i.e., anticipatory gaze). Significant effects of epistemic verb exposure were also demonstrated in novel contexts of belief induction. Implications of these findings are discussed in relation to theories that make distinct predictions about the role of language in epistemic concept development (Chapter 6).
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The Role of Language in the Development of Epistemic ConceptsSan Juan, Valerie 19 December 2012 (has links)
This thesis examines the effects of linguistic input on the development of children’s epistemic concepts. It draws upon two fundamental questions in the field of cognitive development: (a) whether distinctions between automatic and controlled forms of cognitive processing are indicative of underlying conceptual differences, and (b) whether language is critical to the process of concept development. To establish the background of the current research, a summary of how these theoretical questions have been addressed in other fields of cognitive psychology is first provided (Chapter 1). These questions are then re- examined within the specific domain of epistemic concept development (Chapter 2). Changes in false-belief processing that occur between infancy and the early preschool years are discussed in relation to two competing theories of false-belief development. A framework to explain how language promotes children’s transition between automatic and controlled forms of processing is then provided. It is suggested that language facilitates change by both reducing the cognitive demands associated with controlled response tasks as well as assisting with the formation of robust epistemic representations. An empirical study that was designed to examine the effects of epistemic language (i.e., verbs and syntax) on children’s automatic and controlled processing of belief is then described (Chapters 3 to 5). Eighty-four children (Mage = 3;5 years), who initially failed elicited measures of false-belief, were trained with visual contexts of true- and false-belief. The critical manipulation across three conditions was the linguistic input presented in conjunction with these contexts. Children heard narrations that contained either (a) the description of an agent’s actions without an epistemic verb, (b) a familiar epistemic verb (thinks) across both contexts, or (c) the familiar epistemic verb in contexts of true-belief and a novel epistemic verb (gorps) in contexts of false-belief. Results demonstrated a significant advantage for children who were trained with epistemic verbs on spontaneous measures of false-belief (i.e., anticipatory gaze). Significant effects of epistemic verb exposure were also demonstrated in novel contexts of belief induction. Implications of these findings are discussed in relation to theories that make distinct predictions about the role of language in epistemic concept development (Chapter 6).
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