If a boy believed that the only variable that affected the distance a ball traveled when thrown was the force with which it was thrown and then conducted a biased "experiment" that proved his assumption which developmental phenomenon according to Piaget is involved?

Suppose you observe a baby focus his eyes on a rattle being held in front of him, and then he moves his arm and hand out and grasps the rattle, taking it from the person holding it

This series of actions is a good example of the visually guided reach. Indicate whether the statement is true or false

Support for Kohlberg's theory has been found in his view that

a. moral reasoning follows a developmental sequence. b. most people reach the post conventional level. c. there are no prerequisites for the post conventional level. d. some people may skip stages.