Causes. Sometimes doctors can't find a reason for high blood pressure in the lungs. In that case, the condition is called idiopathic pulmonary hypertension. Genes may play a role in why some people get it.
Conversation analysis is the study of talk-in-interaction. It is a methodological approach. that grew out of phenomenology and ethnomethodology and is concerned with. uncovering the rules and structures of everyday, mundane social actions as captured. through verbal (and nonverbal) interactions.
15 - 4 Random assignment of participants and the manipulation of variables are absent in correlational research because the events of interest have already occurred or are naturally occurring. The interest is in determining how measures on one variable are related to measures on another variable.