According to Vygotsky, cultural tools are things that change across cultures, such as languages, but are not items that are consistent across cultures, such as calculators

One of the most widely-used research procedures for assessing infant attachment is the

a. Attachment Inventory. b. "Ties that Bind" technique. c. Mother-Infant Union Form. d. Strange Situation Test.

An important activity for exploring symbolic and representational thought is

A) music. B) art. C) math D) science