Table 3. Measurement scale for aviation security and its reliability

Survey questionnaires(20) Cronbach’s alpha
1. Security rules have hampered essential communication with airport personnel. .921
2. Security rules have hampered essential communication with ground staff. .921
3. Security rules have hampered essential communication with technicians. .921
4. Security rules have hampered essential communication with air traffic control. .921
5. Security rules have hampered essential communication with fuel personnel. .921
6. Security rules are sensible. .919
7. Security check of passengers makes me feel more safe at work. .919
8. The security rules at airport is in proportion to the security threat that aviation is facing. .921
9. If an employee with security clearance carries out a terrorist act, he will be stopped by security personnel. .919
10. The increased security provided by the security check balances out potential disadvantages. .919
11. I often get frustrated passing through the ordinary security check, without manual extra control. .920
12. I often get frustrated after being picked for manual extra control. .921
13. I lose authority when I remove parts of my uniform in the security check if witnessed by passengers. .922
14. I bring frustration from the security check with me when carrying out my work. .920
15. The manual extra control is conducted in ways that do not respect my personal privacy. .920
16. I have skipped a meal to avoid passing through the security check. .921
17. I have skipped my rest time in order to avoid another pass through security. .921
18. I have postponed toilet visits to avoid passing through security. .921
19. I have changed clothes/shoes in order to ease the security check. .921
20. The way that the security check is organized and carried out is stressful. .921