A longitudinal study, a study that stretches over the span of a long time
I can't answer this is in Spanish
una pregunta que quieres saber
Social structures <span>consist of statuses, roles, groups and institutions.
A social structure is a group of people joined by some common characteristics - a social group, infrastructure, hierarchy by birth, the same job, etc. These structures include various statuses that people may have, their roles in institutions, etc.</span>
