Answer:
psychological
Explanation:
deal with the mind of a human being examined
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Answer: Classical
Explanation: Classical conditioning techniques are learning by linking a stimulus and responding to that stimulus. This is how certain behaviour is learned, based on the repeated stimulus and the response to that stimulus, that is, the bond that is created. This connection is recognisable as something that has been learned, for example, from the smell of freshly baked chocolate chip cookies, everyone will normally enliven in themselves an image of a homey atmosphere and will react in such a way.
D. Opportunity cost
Because in the end if you want something you have to work for it, no matter what. Everything generally costs money in this world
