The correct answer to this open question is the following.
According to your question, there are only two parts to be answered, a) and b).
Being that the case, we can comment on the following.
A) This is an observational study and not an experiment because the research was only limited to observation, participants never receive any kind of treatment or another interaction to experiment with them.
B) Who were the subjects of the study?
The subjects of this study were women aged 65 and older who were tracked for several years. The observation revealed that those women who had a vitamin B12 deficiency were twice as likely to suffer severe depression as those who did not.
So, according to the American Journal of Psychology, these were the women observed during the study. There were no more experiments, interactions, or activities applied to them in order to consider it an experiment.
Let's remember that in order to consider an experiment as such, there has to be another component of the study, and the experimental part of it that has to be tested and proved passing the scientific method to conclude in something valid.
If my geography skills prove to be correct, the answer to this question should be the Himalayan Mountains.
Answer:
Case study
Explanation:
A Case Study is a non Experiemental and Qualitative research method. It is an in-depth and detailed study of ones case that involves a lot of information collection about a person, group, or event. The technique is used where one individual or a small group of people, places, things and others, are studied over a long period of time.
It is conducted in the form of Interviews, Psychological tests, observations and experiments. It can also be from people who were involved such as family/friends and information collected is analyzed to get the a full picture or deeper view.
Cause by the end they started to notice that colored people started to get more powerful and there protest got stronger. :D
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