In the context of the analysis of staffing system results, which of the following statements is most likely true about observational designs?
Multiple choice question.
A. They do not use existing differences across organizational units as a basis for comparing staffing systems.
B. They cannot compare staffing metrics across the different levels of organizational policy implementation.
C. They do not begin with a deliberate change in a staffing system.
D. They cannot assess varying degrees of staffing system use across business units.