Polymorphism allows a function or operator to perform different tasks depending on the types of the arguments or operands. Polymorphism is the use of a single symbol to represent many different kinds, or the provision of a single interface to entities of different types, in programming language theory and type theory.
The idea is to operator derived from a biological theory that states that an organism or species can go through a variety of shapes or stages. The 1960s saw a substantial increase in interest in polymorphic type systems, and by the end of the decade, actual implementations were starting to surface.
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Answer:b) naturalistic observation
Explanation:
Naturalistic observation is a technique under which observation of the subject is done in its natural environment.
Usually this technique is used when lab research will be unreasonable.
How Does Naturalistic Observation Work?
This technique may be used just because people's responses may be more effective when they are in their comfortable environment than when they are in a lab for research purposes.
Sometimes the result of the research are more effective when the behaviour is observed in an exactly moment when it happens. By watching how people respond to certain situations and stimuli in real-life, psychologists can get a better idea of how and why people react.
They will make him feel happy and great because he got an "A" of his test
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