Since the jeweler is unable to fix a diamond mounting issue on a necklace because he can imagine only the conventional use of his tools. this is an example of Functional fixedness.
What results in functional fixity?
Functional fixedness, or the inability to utilize an object for a purpose other than that for which it was intended, is brought on by a person's mental set, or particular perspective on a situation. One sort of cognitive bias is functional fixation, which is flawed reasoning that results in a limitation or inaccuracy.
The failure to recognize that anything known to have one use may also be utilized to perform other functions is known as functional fixedness. Functional fixedness prevents one from using outdated tools in creative ways when confronted with a fresh situation.
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