[ANSWERED] School systems in the United States are hiring an increasing number of social workers. You have been

School systems in the United States are hiring an increasing
number of social workers. You have been asked to gather data on what these
social workers do and whether their presence in schools makes any difference
for student achievement, student self-concept, discipline, and relations with
parents. How would you design a qualitative study to answer this question?
Indicate the method and the data-gathering procedure that you think would be
most effective.