Adam is upset that his twin brother Ryan has two pieces of pie while he only has one. His Mom rightly states that it's the same amount of pie it's just that Ryan's piece fell apart into two pieces as it was transferred onto the plate. Still not satisfied, Adam begins to throw a temper tantrum. In a moment of desperation, Adam's Mom cuts his piece in half saying: "There, Adam, now you have two pieces!" This worked. Adam is now happy. What Piagetian Stage is Adam in?

A treatment for severe depression in which an electric shock is delivered to the patient, resulting in a seizure of the body and the release of a flood of neurotransmitters in the brain, is called

a. prefrontal lobotomy. b. electroconvulsive therapy (ECT). c. trephining. d. relaxation training and meditation. e. transcranial magnetic stimulation (TMS).

The tiny bug that is affectionately known to some as a "roly poly" has a defensive reaction to being threatened. It curls up into a ball, with the hardest part of its shell surrounding itself,

and it stays perfectly still. This is a defensive reaction called _________. a. strifing b. immersing c. chaining d. freezing