Rachel Is a 6-Month-Old Who Has Recently Learned to Sit

Multiple Choice

Rachel is a 6-month-old who has recently learned to sit up on her own. Her mother places two toys in front of her: a soft yellow stuffed animal within her reach and a colourful rattle slightly out of her reach. Seeing both toys, Rachel chooses the one she finds more appealing to play with. Over time, choices such as these do NOT influence development of

A) personality.
B) crawling.
C) an understanding of cause and effect.
D) gross motor skills.