The researchers were following the ethical guideline that mandates <u>knowledge of results</u>.
<u>Explanation</u>:
Alcohol obstructs the storage ability of the brain. Alcohol influences information transfer from short-term memory to long-term storage. Hippocampus is a part of the brain which is mainly affected due to heavy drinking of alcohol. Hippocampus shrinks and reduces the size of brain cells.
Excessive drinking destroys brain tissue and can lead to several types of memory loss. Alcohol has immense effects on teens comparing to adults. Consumption of alcohol may lead to memory loss in teens.
Answer:
This sounds a lot like heat stroke.
Explanation:
I know someone who had one of these, and this sounds a lot like what he went through.
Answer: c) participant observation.
Explanation:
Participant observation is the qualitative research mechanism through which researchers get involved in the research activity along with the participants for studying and observing.It gives comprehensive understanding to researcher.It is usually carried out in field of sociology and anthropology.
According to the question,John is using participant observation as he is becoming a part of research along with homeless people to keenly observe the process and collect data on basis of that.
Other options are incorrect because secondary data analyzation, comparative research and qualitative technique are not used by investigator to become a part of research along with participants.Thus,the correct option is option(c).
