Answer:
Thiamine (vitamin B-1).
Explanation:
Wernicke–Korsakoff syndrome is a brain disorder which occurs due to deficincy of vitamin B1. Alcoholism is mostly the main cause of Wernicke–Korsakoff syndrome. The main risk factors for this disease is kidney dialysis and AIDs.
The symptoms of Wernicke–Korsakoff syndrome is double vision , loss of muscles coordination and disturbed mental state mainly confused.
Answer:
I think its Participant Observation
Explanation:
In participant observation studies, the researcher becomes (or is already) part of the group to be observed. This involves fitting in, gaining the trust of members of the group and at the same time remaining sufficiently detached as to be able to carry out the observation. The observations made might be based on what people do, the explanations they give for what they do, the roles they have, relationships amongst them and features of the situation in which they find themselves. The researcher should be open about what s/he is doing, give the participants in the study the chance see the results and comment on them, and take their comments seriously.