作者: Michael A. Hunter , Elinor W. Ames , Raymond Koopman
DOI: 10.1037/0012-1649.19.3.338
关键词:
摘要: Measures of visual fixation (VF) and of focused manipulation of an array of familiar and of novel toys were evaluated for 32 8-mo-olds and 32 12-mo-olds for whom both arrays …