Reference no: EM133967346

Questions:

1) Explain the difference between face, criterion, and predictive validity. How do these types of validity differ from one another?

2) Define the Guttman, Bogardus, Likert, and Thurstone scales with examples of each and discuss how these scales are used in social research.

3) How do reliability and validity differ and complement each other? For example, can a measure be reliable but invalid? If so, how?

4) Which probability sampling method is best when the population has several groups, and a researcher wants to ensure that each group is in the sample? Define big data, and oversampling Give an example.

5) How should questions in a questionnaire be organized? First, make sure to refer to order effects and context effects. Then, list and briefly explain eight of the twelve things researchers should avoid when writing survey questions.

6) What types of questions should researchers avoid on a questionnaire? What types of questions may cause respondents to answer with social desirability bias?

7) Discuss the advantages and disadvantages of open versus closed questions? First, give an example of an open and closed question. What is the difference between reliability and validity.

8) Why is control important in experimental research? How is it related to internal validity?

9) What is a double-blind experiment, and why do researchers use it? Then, explain why maturation and history effects threaten a researcher's ability to demonstrate a causal relationship. Finally, why are these problems more common in more extended experiments?