Symbolic play does not appear until age 4

In Mr. Naffie's Vygotskian classroom, he guides children's learning with explanations, demonstrations, and verbal prompts, tailoring his interventions to each child's zone of proximal development. This is an example of the Vygotskian principle of

A) peer collaboration. B) discovery learning. C) independent exploration. D) assisted discovery.

__________ are likely to have increased difficulties following marital separation

A) Nonworking women who organized their identities around their husbands B) Career-oriented men who are professionally successful C) Parents with teenage children D) Working women who are independent and self-supporting