Please list any and all references or resources that you use.
2. a. Discuss two main advantages and two main disadvantages of doing correlational research?
b. Give an example of two variables that you think are negatively correlated with
each other and explain why you think so.
3. a. What are three essential characteristics of an experiment?
b. Why and how is each of these important for the validity of an experiment?
SAT scores and college achievement; Experimental design