At the Implementation Stage of Human Service Practice, Practitioners Are

At the implementation stage of human service practice, practitioners are primarily concerned with:

A) developing a strategy for intervention that will be effective in alleviating a problem.
B) carrying out an intervention strategy that will produce some change in clients.
C) collecting data that are the means of testing hypotheses in the research.
D) assessing the effectiveness of the intervention strategy in bringing about change in a client.