Now let’s imagine that the Ferguson et al. (2012) sampled nonprofit organizations from all those serving homeless youth in the five cities and then sampled youth from among all those served at the selected agencies. In this design, the nonprofit organizations would be the ______, and the homeless youth that met the researcher’s inclusion criteria would be the ______.
a. secondary sampling units; primary sampling units
b. population; elements
c. primary sampling units; secondary sampling units
d. representative sample; sampling frame
e. elements; enumeration units
