Question

A mother hands her baby a rattle, saying, "here you are". she then gently takes the rattle away, smiling and saying, "thank you". she does this repeatedly, letting the baby keep the rattle for several seconds each time and encouraging the baby to offer the rattle. eventually, the baby takes the rattle, holds it for a few seconds, and then holds it out to her mother and smiles. this is an example of:
a. emotionality.
b. scaffolding.
c. sociability.
d. reciprocal socialization.

Answer 1

The answer is Scaffolding
as the scaffolding is a technique or instructional method that someone like the mother or father or teacher uses to show to her/his child or students the Steps of solving the problems and how to solve it and leave them after that and only offer help when they need it.
another example of scaffolding: 
when the teacher explains some problem and solve it on the board and try to solve it again with the students and listen to their answers the correct and incorrect one and after that gives them a problem to solve it by themselves.