You are working as an assistant to an OB specialist doing research on a project to determine relationships between certain variables and cause-effect situations. The specialist is attempting to determine when people are motivated by pay or salary and when they are motivated by recognition, support and encouragement. By examining the connection between rewards and incentives and motivation under various conditions, the specialist appears to be using which of the following approaches in research?

A. open-systems approach

B. contingency approach

C. human resources approach

D. observational approach

Answer: Option B