Answer:
functional fixedness
Explanation:
Functional fixedness -
It refers to the type of cognitive bias .
According to this method , it refers to the ability to visualize any object only in particular way , is referred to as the functional fixedness .
The method resists the person to use the specific object in a better innovative and creative method .
This method does not do justice to the object as the complete use of the object is done .
Hence , from the given scenario of the question ,
The correct answer is functional fixedness .