The river dolphin is a group of aquatic animals that is specially adapted to the fresh water and are relatively smaller compared to the other dolphins.
They have evolved to survive in shallow waters and strong-river currents. These dolphins are not very widely disturbed and are found in certain deltas and rivers.
The basic research is a type of research that mainly aims to increase the existing base of the scientific knowledge and hence, in the case of psychology the basic research would increase the knowledge about psychology.
Therefore, the purpose of basic research is to add up to the knowledge that already exists.
The research that is conducted to especially solve certain problems or answer specific questions is called applied research. Its main aim is to find out the solution for a given problem.
Therefore, in the case of psychology applied research is conducted to explore practical problems.