A researcher randomly assigned clients to two conditions (a wait-list control group and a hypnosis group) and measured their smoking reduction. Smoking reduction is an independent variable

The article At a Loss for Words, about a teenager who was profoundly deaf in early life focused on the research methodology called:

(a) an experiment (b) a survey (c) a naturalistic observation (d) a case study

The brain carries out most of the "computing" in the nervous system and communicates with the rest of the body

through the large bundle of nerves called the a. parietal branch. b. spinal cord. c. occipital cord. d. temporal branch.