If a researcher were interested in a person's conscious experience resulting from the end of a marriage, the method of choice would be Group of answer choices phenomenological. ethnography. experimental. ex post facto.

Expost Facto Research

Explanation:

Expost Facto Research is also referred to as 'after the fact' research. It implies that researcher conducts the research procedure & analysis, after the determining event / variable has already occurred, without any interference of researcher.

'Analysing a person's conscious experience resulting from the end of a marriage' : reflects to observe the impact of an ended marriage, which has already happened (marriage ended) in the person's life. The marriage ending circumstances were completely un-intervened by the researcher. So, analysing the effect of already ended marriage on a person's life is an 'Ex Post Facto Research'

Ethnography is study of various ethnic groups, Experimental involves treatment on variables done by experimenter (researcher). So, these are inapt.