Derik wanted to know whether people will perform better on a math test if they have caffeine beforehand. So he put everyone in a lab, had them drink their coffee, and then begin their test. He gave half of the unknowing participants decaf, and the other half regular coffee. He then analyzed the results, and found that those who drank decaf scored significantly lower than those who were given normal coffee. In Derik's experiment, the control group consists of

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