Writing Homework Help

I need an explanation for this Research & Summaries question to help me study.

• What is the general definition of research variables? What is the difference between a dependent variable and an independent variable? Provide an example for both a dependent variable and an independent variable.
• List and define five criteria for a good hypothesis. Choose one that you think is most important and explain why you think so.
• As a researcher, anytime you use “people” to obtain information for your research, whether it is through interviews, questionnaires, observations, test taking, etc., you must protect your human subjects’ rights. What are your priorities on what you need to consider in your proposed research.
• What is a random sample? What does it do? Provide examples
• List and explain at least three unique characteristics of the qualitative method. 
• Describe three research questions or topics for which survey research is an appropriate technique of observation. Why do you think so?
• What are the advantages of conducting an interview over questionnaires? Why do you believe that to be so? 
• What is meant by qualitative analysis and what is meant by quantitative analysis? What are the differences between the two forms of analysis? Are there similarities between the two? If so, describe some similarities. If no, why not?
• Can quantitative and qualitative methods be used together? If not, why not? If they can, describe a topic that could use both and why.