Over the Past Week, Walter Has Been Trying to Learn

Multiple Choice

Over the past week, Walter has been trying to learn to tie his shoelaces. Initially, his mother was holding his hands and working his fingers through the process, but now that Walter's gotten better at it, she only guides him verbally. This is an example of:

A) how heredity shapes cognitive development.
B) primitive reasoning.
C) scaffolding.
D) conservation.