Na laboratory, smokers are asked to drive using a computerized driving simulator. they are asked to cover the maximum distance possible, while avoiding rear-end collisions. some volunteers are given a real cigarette to smoke immediately before the test. others are given a fake cigarette without nicotine. the number of collisions the two groups make will be compared. in this study, the cigarette without nicotine is a(n):
dependent variable.
placebo.
double-blind procedure.
hypothesis.

30 points in a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state question 2 (1 point) this form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary question 3 (1 point) this is a government controlled by one person with absolute power. question 3 options: communist democratic autocratic parliamentary question 4 (1 point) a government is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy question 5 (1 point) in a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.

The american public was excited by the invention of the railroad system. true false