<span>I believe that it is because their doctrines are more "legalistic" than the other denominations.</span>
The Case Study Method is the correct answer.
The research plan Jamie chooses to identify what experiences may contribute to children's hyperactivity is referred to as the case study method. A case study method is a deeper analysis of one person's behavior (or a small number of people's) that allows the researcher to obtain more details and also to reconstruct the 'case history' of a participant.
