I believe the answer is Reflexivity.
Reflexvity refers to the process where the researcher(s) explores the effect of their involvement in research process.
One characteristic of this would be researcher(s) tend to <span>reveale their </span>methodology<span> and their self a way to collect the data.</span>
Answer: (B) Centralized database
Explanation:
The centralized database is the one of the type of database in which the data is more potable as is store in the form of centralized system.
The centralized data basically require less maintenance and the power so that is why it is cheaper as compared to all the other type of database system.
The main advantage of the centralized database is that it can be easily accessible and also retrieved from the database system for example server, desktop and the computer mainframe.
Therefore, Option (B) is correct.