Answer:
There is a high positive correlation between sleep and exam performance.
Explanation:
The concept of correlation indicates an association, that is to say, it is used for measuring how much two variables relate to each other. The 3 results of a correlational study are positive, negative, and no correlation. A positive correlation takes place between 2 variables that can increase or decrease together. In this case, the more students sleep, the better they performed at their exams.
Answer:
Option B. Not be approved because he has violated the ethical standard of confidentiality/privacy.
Explanation:
The ethical standard of confidentiality refers to protect the information that has been shared within the included group.
Under this, the one has a duty that the individual should not theft or pass on the information and data to the entity which has not been allowed to have access to the information.
Here the John has asked for the names of the participants which as an act that violates the ethical standard of confidentiality/privacy i.e he has acquired the data that has been provided so that the participant identity is private.
Answer: A. The Nazis promoted German nationalism and used propaganda to convince Germans that Jews were naturally enemies of Germany.