In as essay of 250-500 words, thoroughly address the following items:

In as essay of 250-500 words, thoroughly address the following items:
1.Define the term independent variable and identify the independent variable for this study.
2.Describe the scale of measurement used for the independent variable.
3.Define the term dependent variable and identify the dependent variable for this study.
4.Describe the scale of measurement used for the dependent variable.
5. Provide an example of a simple study using Schmidt (1994) as a model. State the purpose of the research (Schmidt’s purpose was to examine the effects of humor on memory), the research question (Schmidt’s research question was: What are the effects of humor on memory?), the independent variable, and the dependent variable for your study.