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.
Answer: Random Sampling.
Explanation:
It is a method of sampling a population by selecting a sample unit based on chance, and also based on non-zero probability.
Random sampling is easier to use as it helps to get generalized samples from a large group.
There are 4 types of random sampling.
•Simple random sampling.
•Systematic random sampling.
•Stratified random sampling
•Cluster random sampling.
Answer:
people who are defined by others as an "outsider."
Explanation:
Social marginality: In sociology, the term "social marginality" is described as an individual's state of being "excluded" from a particular society or a few specific parts of that society and lacks social power. An individual who is experiencing social marginality perceives a high level of "inconsistency" between his or her personal attributes and the roles he or she carries in a specific society and often motivates him or her to change or alter his or her social reality.
In the question above, the given statement signifies "people who are defined as an outsider by others".
Answer:
Savings
Explanation:
In this experiment, the subject learns the list of 20 numbers so that was associated with the recognition prospectus. Sarah took 15 words and learn those words repeated 15 times. After five days, she has forgotten the list and now Sarah has to return to re-learn pattern and recognition. When Sarah relearn the items numbers some of the numbers retrieved in the original form and some of the numbers have been repaired and recognized by the associations with others. After a few learning processes, the test has given again and it was found that there was a significant relationship between the number and its all dependent measurement. It was found that savings are a sensitive concept in relearning and some sub-threshold items exist. It was also found that the re-institution also play a vital role in savings effect in memory
C” has remained the same for over fifty years
