World War II marked the beginning of the end of dual federalism

In observational research, using a small number of long observation times rather multiple, short intervals is called

a. cluster sampling. b. one/zero sampling. c. time-point sampling. d. time-interval sampling.

Relating the findings of a research project to other concepts and findings in the field takes place during

A) the interpretation phase. B) the communication phase. C) the relational phase. D) the data-analysis phase.