Define and provide an example of the adaptation-level phenomenon.

Which statement is most accurate about the brain of a person who is in early adolescence?

a. It has finally developed all 12 lobes of the cerebrum. b. It is experiencing accelerated synaptic pruning c. It has nearly reached its full size. d. It is about half of its adult size.

So-called critical experiments

a. test two theories that make different predictions. b. test a theory that makes two different predictions. c. involve an inductive approach. d. involve a number of independent and dependent variables.