The AP Psychology exam will be given on the morning of May …

May 07, 2008 · a. Circular reactions are repetitive motions babies engage in as they gradually learn to explore their environment nonreflexively. :b. object perman.ence is the understanding that objects continue to exist even when --hidden from view. B. Preoperational stage, 18 months to 6 years 1. Characteristics a. ................
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