People have a tendency to judge stimuli relative to prior experience. For example, if a man's current income increases, he feels an initial surge of pleasure. However, as he adapts to that income level, he comes to consider it normal. He then requires something better to feel another surge of happiness. This is known as:

the adaptation-level phenomenon

Explanation:

People have a tendency to judge stimuli relative to prior experience. For example, if a man's current income increases, he feels an initial surge of pleasure. However, as he adapts to that income level, he comes to consider it normal. He then requires something better to feel another surge of happiness. This is known as: the adaptation-level phenomenon

Adaptation-Level Phenomenon is how people adapt quickly to a new situation, until that situation becomes the new normal

.After getting a better income after a while it becomes normal and you are looking for something new and better man generally is insatiable. Our desires only grow bigger once we have adapted and conquered a particular level

Adaptation - level Phenomenon

Explanation:

Adaptation-Level Phenomenon can be defined as the way in which an individual adapt to every new situation in which once they adapt to it they consider it normal until another new situation arises which is why a person with ADAPTATION-LEVEL PHENOMENON personality will often and quickly adapt to a new situation, until that situation becomes the norm and whatever change the person experiences soon became the new normal due to the fact that new experience is often craved which in turn create a never ending process of continual growth and happiness for the person.

question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals