In any study, experimental or post-facto, the independent variable must always be under the researcher's full control

According to dynamic systems theory of motor development, each new skill is a joint product of central nervous system development, the body's movement capacities, the child's goals, and

A) environmental supports for the skill. B) the child's cognitive development. C) the child's social relationships. D) the child's age.

Authoritarian parents explain rules and encourage discussion

Indicate whether the statement is true or false