Answer:
a longitudinal design
Explanation:
Longitudinal study: This is an observational method of research, that gathers data from the same participants frequently or repeatedly over a while. This research can take plenty of time, and it can extend over months, years or decades. Also known as a panel study or longitudinal survey.
Types of longitudinal studies:
1. Panel Study.
2. Cohort Study.
Answer:
Social traditions and customs play a crucial role in maintaining the base of a society strong. These customs and traditions are those which made the society and if these are maintained with making some necessary changes in them along with time can prove to be beneficial for the society.
Explanation:
Answer:
Explanation:
The main difference between these two types of work is the fact that skilled labor requires specialized training whereas unskilled labor does not. Lastly, skilled labor workers tend to get paid more than unskilled labor workers because of their background, education, skills and training.
Answer:
C) Has been a feature of nearly all economies.
Explanation:
A trade is an of various goods. It is the transfer of services and goods from one party in exchange of money from the other party. It is the act of selling or buying goods. As per the economist, it is set of network which allows trade to be considered as a market. It is a characteristics of all the economies around the world.
Hence the correct option is --- (C).
