Leini is working on building a bookshelf in her backyard when she gets a terrible itch on her back. She gripes about not being a
ble to reach it, and goes inside to look for a back-scratcher or a kitchen spoon. She could have just used the hammer she was holding in her hand, but she didn’t think of that. This is an example of________
Functional fixedness is a psychological concept when a person's ability to use a particular object to perform a task is restricted when that object is traditionally used for a specific kind of work.
For example a kitchen knife is used to cut vegetables and fruits in the kitchen. So a person with functional fixedness, will not use that knife for other purposes other than cutting vegetables in the kitchen.
It limits the use of a tool or object for a different purpose other than using it traditionally.
It originated in Gestalt psychology.
Thus the answer to the question is functional fixedness
Compared to the short-run demand for oil, the demand for oil in the long run will tend to be more elastic.In the short run, it's not easy to make substantial changes in energy consumption.In the long run, however, you can purchase a car that gets more miles to the gallon. As a result, the elasticity of demand for energy is somewhat inelastic in the short run but much more elastic in the long run.