Areas of concern in conducting them.

Question 1. (4 Marks) Explain interview methods and the areas of concern in conducting them. Give example for each method. Question 2. (2Marks) What are the characteristics of a good sample? Question 3. (2 Marks) Explain why the publication in a Refereed journal articles is more difficult than Professional journal articles. Question 4 (2 Marks) Explain why archival study will normally have more external validity than experimental or simulation approaches?