Liam is nine months old and beginning to scoot around on the carpet. His two favorite toys, a baby giraffe and a stacking ring, are on the carpet with him. Liam pushes away the baby giraffe to reach for the stacking ring. Liam is in the stage of cognitive development.

coordination of secondary schemes

Explanation:

Liam is nine months old and beginning to scoot around on the carpet. His two favorite toys, a baby giraffe and a stacking ring, are on the carpet with him. Liam pushes away the baby giraffe to reach for the stacking ring. Liam is in the coordination of secondary schemes stage of cognitive development.

Occurs (from 8 – 12 months) in kids and it is the stage of co-ordinating secondary schemes. Instead of simply prolonging interesting events, babies now show signs of an ability to use their acquired knowledge to reach a goal. For example Liam pushes away the baby giraffe to reach for the stacking ring

answer; obey the closest relative's wishes;

answer; (r/t) reaction time;