In the video lecture, you learned about a study in which parents and toddlers were observed as they cleaned up or parents needed children's help to solve a task. Parent's requests for help were recorded and it was found that单项选择题

A

parents did not ask for help from their children.

B

parents made more concrete requests of 18-month-old children, and made both abstract and concrete requests of 24-month-old children.

C

there were no differences in how parents requested help from younger and older children.

D

parents used nonverbal cues to ask for help of younger children and verbal cues to request help from older children.

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