offers a Likert scale with values from 1 to 5 (1 – has never
occurred in my experience but is technically possible; 2 – occurs
rarely, 3 – occurs seldom, 4 – occurs frequently, and 5 – occurs
daily).
For each work stage, they are also asked to state the size of an
average team and the influence of four intensifying factors on the
occurrence rates. The team size is needed because each interviewee
implicitly assesses the likelihood of occurrence for a specific
team size he or she has in mind; the value assumed is essential
in order to normalize the results cross the survey and for later
application to projects in which work teams may be of different
sizes.
Many factors affect the safety level directly and indirectly, and
they vary from one site to another. They include the nature of
safety training on the job-site, the company’s safety culture, use
of safety equipment, conditions of the work environment, weather,
workers’ experience, work-load pressure, and more. Researchers
have tested the influence of specific factors, or groups of factors,