Answer:
It marked the beginning of the Islamic era.
Explanation:
Hijrah or also known as Hejira is an important event in the Muslim religion. It marks the event of Prophet Muhammad's pilgrimage from the holy city of Mecca to Medina after he learned of some plots regarding his assassination. In order to save himself from being attacked, he secretly left Mecca and journeyed till Medina, which was at that time called Yathrib. This event of 622 CE signifies the start of the Muslim or Islamic era.
A difficulty facing those who plan and review behavioral studies is the risk of harm of the subject. They believe that it can affect negatively on the physical and emotional aspect of the subject.
However, in behavioral and social science, physical and emotional harm is unlikely. The only purpose of experiments is to observe people's behavior. Most of the time, subjects do not know that they are part of an experiment because if they do know about it, they will probably change their behavior. They will only be informed as soon as the experiment is over. The results of social experiments and research will become insignificant and unreliable if subjects are aware beforehand.
Serial-position effect occurs when the beginning and ending information of a list are more easily recalled than middle information.
Serial-position effect influences how people remember your offers, products, and words.
A way to protect against this is to spend extra time studying information in the middle of a list.
Answer:
D). The Federal Reserve.
Explanation:
As per the question, the 'federal reserve system' is the agency that is responsible for supervising the money supply in the United States. It is stated as <u>U.S.A's central banking system that it has a number of responsibilities to fulfill</u>. The primary responsibilities include the supervision of financial institutions, regulating the money supply in the economy, fiscal agent of the government of the United States. etc. Therefore, it primarily works for ensuring a stable, flexible, and guarded monetary as well as the financial system. Thus, <u>option D</u> is the correct answer.
Answer:
Concrete operational stage
Explanation:
The concrete operational stage is the third stage of Piaget's theory of cognitive development, predating the formal operational stage (12 and above) and arriving after the preoperational stage (2-7 years old). During this stage, children are able to make logical conclusions in terms of the things they can experience with their senses. Some examples would be noticing that rain comes down from the sky, which is a form of inductive thinking.
However, children at this age group are not yet able to think in a more abstract manner - which is why their deductive thinking abilities are not yet as well-refined as its inductive thinking ones.