At what age have Povinelli(1995), and Povinelli et al.(1997) shown that children attain the 'duplicated self', allowing them to consider two simultaneous perspectives on self(self as it is now, and self at a previous time)?

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Quizplus · Accepted Answer

Povinelli's research indicates that children typically develop the ability to understand the 'duplicated self' around the age of four.

At What Age Have Povinelli(1995), and Povinelli Et Al