Please read the article Undergraduates' perceptions of tourism and hospitality as a career choicein the link listed below and answer the following five questions

Article link:

https://www.academia.edu/1021669/Undergraduates_perceptions_of_tourism_and_hospitality_as_a_career_choice

1. Did the authors incorporate a "pilot" study? Please defend your answer.

2. What two career factors were found to be least important to the respondents?

3. What was the response rate for the survey used in this study?

4. How did the authors establish validity?

5. How did the authors establish reliability?