The structure in the hindbrain that transmits messages to the upper areas of the brain and produces chemicals that help maintain our wake-sleep cycle is the ______

Explain how Watson and Rayner could have altered their experiment with Little Albert that would make it more likely to meet today's ethical standards

What will be an ideal response?

The concepts of symbolic function, pretend play, and egocentrism are characteristic of Piaget's _____ stage

a) postconventional b) preoperational c) formal operations d) concrete operations