Please answer each/all of the following five (5) questions
1. Discuss probability sampling. Why is it important? How could not using probability sampling affect the goals of research?
2. Why is replication important in research? What are the benefits of studies that can be replicated? What are the disadvantages when studies cannot be replicated?
3. Discuss the four levels of measurement. What are the dangers to misidentifying a level of measurement?
4. Discuss the concept of causality. Why are the three requirements for causality important, and how is omitted variable bias relevant to the three requirements for causality?
5. Discuss the relationships between frequency, proportion, percentage, and rate. What is the advantage of converting a frequency to one or more of the other measures?
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