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Cognitive Development2
Infants2
Object Permanence2
Child Development1
Error Patterns1
Expectation1
Inhibition1
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Child Development1
Cognition1
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Ruffman, Ted2
Slade, Lance2
Carlos Sandino, Juan1
Fletcher, Amanda1
Redman, Jessica1
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Early Childhood Education2
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Young Infants' Expectations about Hidden Objects
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Ruffman, Ted; Slade, Lance; Redman, Jessica – Cognition, 2005
Infants aged 3-5 months (mean of approximately 4 months) were given a novel anticipatory looking task to test object permanence understanding. They were trained to expect an experimenter to retrieve an object from behind a transparent screen upon hearing a cue (''Doors up, here comes the hand''). The experimenter then hid the object behind one of…
Descriptors: Stimuli, Infants, Object Permanence, Stimulation
Are A-Not-B Errors Caused by a Belief About Object Location?
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Ruffman, Ted; Slade, Lance; Carlos Sandino, Juan; Fletcher, Amanda – Child Development, 2005
Eight- to 12-month-olds might make A-not-B errors, knowing the object is in B but searching at A because of ancillary (attention, inhibitory, or motor memory) deficits, or they might genuinely believe the object is in A (conceptual deficit). This study examined how diligently infants searched for a hidden object they never found. An object was…
Descriptors: Infants, Object Permanence, Inhibition, Error Patterns