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Tomasello, Michael – Journal of Child Language, 1987
Study of a one-year-old's earliest use of prepositions found that spatial oppositions ("up-down") were learned first, and used in non-prepositional senses prior to prepositional usage. "With,""by,""to,""for,""at," and "of" were learned later and used to express case relationships and more often misused and omitted than the earlier-learned…
Descriptors: Associative Learning, Case Studies, Child Language, Cognitive Processes
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Rodrigo, T.; Arall, M.; Chamizo, V. D. – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
Rodrigo, Chamizo, McLaren, & Mackintosh (1997) demonstrated the blocking effect in a navigational task using a swimming pool: rats initially trained to use three landmarks (ABC) to find an invisible platform learned less about a fourth landmark (X) added later than did rats trained from the outset with these four landmarks (ABCX). The aim of the…
Descriptors: Control Groups, Animals, Classical Conditioning, Recreational Facilities