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Gergely,G. et al . (2002) Rational imitation in preverbal infants. Nature 415, 755 PowerPoint PPT Presentation


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Gergely,G. et al . (2002) Rational imitation in preverbal infants. Nature 415, 755 Meltzoff, A. N. (1988) Infant Imitation After a 1-Week Delay: Long-Term Memory for Novel Acts and Multiple Stimuli. Dev. Psychol. 24, 470–476. Strengths Rethinking results from 14 years before

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Gergely,G. et al . (2002) Rational imitation in preverbal infants. Nature 415, 755

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Gergely g et al 2002 rational imitation in preverbal infants nature 415 755

Gergely,G. et al. (2002) Rational imitation in preverbal infants. Nature 415, 755

Meltzoff, A. N. (1988) Infant Imitation After a 1-Week Delay: Long-Term Memory for Novel Acts and Multiple Stimuli. Dev. Psychol. 24, 470–476

Strengths

Rethinking results from 14 years before

Meltzoff includes 2 control groups

Gergely adds another group by changing an act

Weaknesses

Not very much detail on the repeat experiment

May be overcounting head action

Method

14-month-olds

36 baseline (12), adult-manipulation control (12), imitation (12)

27 hands-occupied condition (14), hands-free condition (13)

Six acts dumbbell, hinge, box with button, egg, bear, box with light

Confined to observing 20 seconds per act or toy

First given opportunity to imitate after a 1-week delay

First 20 seconds after touching the toy was all that was analyzed

The egg and box with light were changed

Scored by someone naive to group assignment as “yes” or “no”

Leaning within 10 cm of the box with light was scored as “yes”

Results

“We conclude that the early imitation of goal directed actions is a selective, inferential process that involves evaluation of the rationality of the means in relation to the constraints of the situation.”

Sarah Parikh 5/11/2009


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