Write a positive hypothesis and then restate it as a null hypothesis for each of the following research topics:

1. A study to determine functional business areas from which chief executive officers advanced in their areas. Functional areas include legal, accounting, marketing. (Example- Positive Hypothesis: Chief executive advanced primarily through the legal background area. Null Hypothesis: No relationship exists between chief executives' advancement and their functional field backgrounds).
2. A study to determine whether listening to music using ear buds contributes to hearing loss.
3. A study to determine whether a person's career success is related to mentoring experiences.
4. A study to determine the relationship between college students' gender and their final grades in the business communication course.

2. Answer the following questions in short 75-100 words paragraphs.

• What factors might limit or influence your findings in any of the scenarios listed above? Could you apply the findings of the scenarios above to a broader population than those included in the studies? Why or why not?
• What research methods would you use for each of the research problems identified in the scenarios above?
• Outline a secondary search strategy for one of topics in the scenarios above. What printed indexes would you use? What electronic search techniques would you use?

3. Answer the following question in a 75-100 word paragraph.

• You are to conduct a survey of residents' attitude toward recycling in a town of 35,000 people. Describe how you might construct a sampling procedure to avoid having to survey the entire population.