Jen decides to study the effects of alcohol on driving ability. ...

[asd123]

Jen decides to study the effects of alcohol on driving ability. She selects 200 college
   students and randomly divides them into two groups of 100 students each.
 
  Subjects in
   group A drive a car through an obstacle course while remaining sober. Subjects in
   group B also drive through the obstacle course, but they are given an ounce of
   whiskey before each attempt at driving the course. As expected, the driving ability of
   subjects in group B steadily deteriorates as they consume more alcohol. In Jen's
   study, the amount of alcohol consumed is the ______.
   a. independent variable c. dependent variable
   b. codependent variable d. reciprocal variable

Question 2

Donald Klein has proposed that a defect in the brain's ______ may be an important basis
   for panic reactions.
 
  a. speed of reaction to visual and auditory stimuli
  b. memory for past traumas
  c. respiratory alarm system
  d. hippocampus

[josephsuarez]

Answer to Question 1

A

Answer to Question 2

C

[asd123]

Thanks for the timely response, appreciate it

[isabelt_18]

Wow, this really help