Which of the following is an essential feature of the experimental method?

All of the following variables, except for ________, would likely show a positive correlation

a) height and weight b) men's educational level and their income c) alcohol consumption and scores on a driving test d) school grades and IQ scores

The ______________ of the amygdala receives information about the CS (tone) and US (foot shock)

a. lateral nucleus b. central nucleus c. medial nucleus d. posterior nucleus