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.
The given statement is true.
Explanation:
In the given context Carrie is using non verbal communication to regulate interaction. When two person are in conversation and one of them is not confident enough or pretty much sure about answering or reacting in a question or in a situation at that time he used to follow sign languages in terms of eye contact occasionally or nodding intently or sometimes ask question to the speaker.
Non verbal communication is popular to regulate interaction in an effective way where verbal communication is not working properly due to lack of confidence or little knowledge.
Africa is known for their precious diamond mining so diamond is one. Oil is also another big thing
I dont get what you are trying to ask here
The goal was to persuade the States that the time had come to declare their independence from Mother England for the United Colonies.
