Six-year-old davey developed a fear of going down steps after falling down the steps in his house several times. when he was at his grandmother's house he demonstrated no fear of climbing the steps to her front door. unlike little albert's fear of white rats and other furry objects, davey was demonstrating

Discrimination

Explanation:  Stimulus Discrimination occurs when there are different consequences for the same behavior, depending on the situation. An example of a stimulus discrimination is a joke that could be told as a result of laughter among a group of friends, but the same joke can be criticized if it is told in an environment such as a church.

the answer is a wheel

i think it's the cabinet