Answer
Because contingency variables impact individual action
Step-by-step explanation
Physical sciences is concerned with the study of inanimate natural objects, including physics and other science related subjects. Laws of behavior are are difficult to apply in the field of organization basically because organizational behavior focuses more on the behavior of humans and the way they interact with other groups. It is normally applied in an attempt to create more efficient business organization. While the law of behavior focuses on more behaviors of it self. So the contingency will impact individual action because contingency focuses on specific situational factors that affect the direct relationships between independent and dependent variables