In Teaching a Child to Ride a Bike, a Parent

Multiple Choice

In teaching a child to ride a bike, a parent will leave the training wheels on. Once bicycling is mastered, the parent will remove the wheels but still hold on to the seat of the bike to ensure the child's stability. Finally, the adult will let go once the child can ride on his own. This is an example of

A) underestimating the zone of proximal development.
B) scaffolding.
C) cooperative learning.
D) guided diffusion.