1. Using perception surveys to assess safety system effectiveness;Bailey;Professional Safety,1989
2. Managerial factors related to safety program effectiveness: an update on the Minnesota Perception Survey;Bailey;Professional Safety,1997
3. Experimental and quasi-experimental design for research;Campbell,1966
4. Perception of organizational safety: implications for the development of safety culture;Clarke;Journal of Organizational Behavior,1999
5. Factors in successful occupational safety programs;Cohen;Journal of Safety Research,1977