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.
Answer:
Everyday experiences
Explanation:
Ideas from research could come from different variety of sources.
Ideas from everyday experiences refers to a form of ideas that arrive through the daily observation that we made from normal occurrences or phenomenon that we encounter on day to day basis.
In terms of validity, ideas from everyday experiences is not more or less relevant compared to other sources. But the sample group to conduct this type of research tend to be easier to collect compared to other types of researches that needed specific type of subjects.
I think c may be the closest answer
Answer: conflict theory
Explanation: Conflict theory is a sociological perspective that views society as being composed of groups that engage in fierce competition for scarce resources.
Karl Marx Is the proponent of this theory, he emphasized that society is in a state of perpetual conflict because of competition for limited resources. It argues further that social order is maintained by domination and power , as against consensus and conformity. Proponents of this theory sees Social life as a competition, and focuses on the distribution of resources, power and inequality. Conflict theory explains social change better as against social stability. The theory explains that individuals and groups within the society interact on the basis of conflict, it further argue that conflict breed in the society when a powerful few rules against the interest of the less powerful majority.
