I believe the answer is: double-blind experiment
In double blind experiments, the subjects that receive the treatment is remained unknown by both the researchers and the subjects until the experiment is finished. The main purpose of double-blind experiment it eliminate the bias of perception that might exist among researchers.
To be a good citizen, you keep up on current events, you vote, and you have a political opinions. A civic duty might be obeying the law or calling 911 in case of emergency. A civic responsibility is showing up to vote and reading the news. It is important for a community to have good citizenship because then people are more involved in government, therefore allowing for the government to work for the common good.
Answer:
have direct control over?