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.
Factor Analysis. Exploratory factor analysis is a statistical approach that can be used to analyze interrelationships among a large number of variables and to explain these variables in terms of a smaller number of common underlying dimensions.actor analysis is based on a correlation table. If there are k items in the study (e.g. k questions in the above example) then the correlation table has k Ã k entries of form rij where each rij is the correlation coefficient between item i and item j.