The experimental units are what you apply the treatments to. In this experiment it would be the subjects or the customers in this situation since they will be treatment (either standing at their regular height or squatting to meet the eye level which could affect the amount of tip they give). An example of randomization can be numbering each table in the restaurant and picking them out of a hat and going to that table that you randomly chose and imposing the treatment on the customers there. Because tips depend on the income of the customers and how much they are willing to give for their meal. If not even income some people are willing to give despite how much money they make so their tips may higher than the wealthy crowd. Other factors the experimenters may not be able to control is the mood of the customers as well isn't it more likely if someone is enjoying their time to give more to the server despite the service the waiter.
Recognition is the measure of memory used on a test that requires matching terms with correct definitions.
In both a republic and a democracy, citizens are empowered to participate in a representational political system. They elect people to represent and protect their interests in how the government functions. Republics and democracies both provide a political system in which citizens are represented by elected officials who are swon to protect their interests.However in a pure democracy, laws are made directly by the voting majority leaving the rights of the minority largely unprotected. And in a
republic, laws are made by representatives chosen the people and must comply with a constitution which specifically protects the rights of the minority from the will of the majority.
