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Esposito, Nicholas J. – Developmental Psychology, 1975
Experiment 1 examined the relationship between dimensional preference and proportion of optional reversal shifts among adults. Experiment 2 examined dimensional preference and shift behaviors using an intradimensional-extradimensional shift paradigm. The results indicate that adults show the same type of behavior previously throught to…
Descriptors: Adults, Cognitive Development, Dimensional Preference, Discrimination Learning
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Brannon, Elizabeth M.; Abbott, Sara; Lutz, Donna J. – Cognition, 2004
This brief report attempts to resolve the claim that infants preferentially attend to continuous variables over number [e.g. Psychol. Sci. 10 (1999) 408; Cognit. Psychol.44 (2002) 33] with the finding that when continuous variables are controlled, infants as young as 6-months of age discriminate large numerical values [e.g. Psychol. Sci. 14 (2003)…
Descriptors: Number Concepts, Numbers, Infants, Discrimination Learning