Occurs when a person has difficulty meeting the role expectations of a single status.

This is called role strain. A role as defined by sociologist is the particular expectations of behaviors and obligations towards a person. A person may perform multiple roles at the same time, like being a daughter and a student, as well as a sister. With that role strain happens when a person has a hard time keeping up with the expectations. Like as a student, you are expected to excel, however, this causes stress as the pressure increases, either internally or externally.

Information on the cost of things, quantitative data has to do with numbers, qualitative data uses details such as taste, appearance, what it looks like etc. 

Answerbiological perspective