Inflammation in the brain appears to play a key role in the development of Alzheimer's disease

Carl Jung would have agreed that ________

a. Darth Vader and dragons represent the shadow archetype. b. the collective unconscious differs for each person. c. human personality is mostly driven by "dark" forces. d. past conflicts provide the only motivation for current behaviors.

If a researcher wanted to know how loudly a person must speak in order to be heard above the noise of two other simultaneous conversations, the researcher would likely measure the ________

a. difference threshold b. marginal intensity c. relative magnitude d. absolute threshold