Max Wertheimer's demonstration of the "phi phenomenon" was used to promote the ideas of __________

Piaget's preoperational period extends from:

a. birth to age 2 b. age 2 to 7 c. age 8 to 12 d. age 13 to 18

Intergenerational transmission of attachment means that

a. attachment is a biologically driven and heritable trait. b. all children in one family will have the same attachment classification. c. secure parents tend to raise secure children. d. the attachment styles of mothers transfer to children, but not those of fathers.