DQ 2.

Must be 200 to 250 words. 

• What is reliability and validity? Which type of reliability and validity do you think is most important? Why? Does it depend on the study?

This is my text book that I am using for this class.

EBOOK COLLECTION: Hogan, T. P. (2007). Psychological testing: A practical introduction (2nd ed.). Hoboken, NJ: Wiley