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Direct linkFeigenson, Lisa – Journal of Experimental Child Psychology, 2011
Although the psychophysics of infants' nonsymbolic number representations have been well studied, less is known about other characteristics of the approximate number system (ANS) in young children. Here three experiments explored the extent to which the ANS yields abstract representations by testing infants' ability to transfer approximate number…
Descriptors: Number Systems, Infants, Young Children, Experiments
Peer reviewedDustman, Robert E.; Beck, Edward C. – Journal of Clinical Psychology, 1980
No significant decline in performance occurred before age 50. Decline in Memory-For-Designs Test performance after age 60 is sufficient to suggest caution in the use of the test for evaluation of brain damage in the older patient. (Author)
Descriptors: Adults, Age Differences, Comparative Analysis, Diagnostic Tests
