1. Please define validity and give 2 examples from the text of ensuring variables being used are valid. 2. What is meant by a composite measure? 3. Can you think of a variable whereby a composite

1.  Please define validity and give 2 examples from the text of ensuring variables being used are valid.

2.  What is meant by a composite measure?

3. Can you think of a variable whereby a composite measure may be needed?   If so, list 2-3 of the components questions.    (For example: if one wanted to measure love as a construct, one may ask survey participants to answer a series of questions, which will be combined into one composite measure).

4.  Discuss the difference between reliabilityu and validity?

5.  List and describe different types reliability.

6.  List and describe 2-3 threats to internal validity

7. Can you explain what is cronbach’s alpha and explain whether its used with quantitative or qualitative data & why?