As part of an experiment in psychology class, Professor Chang writes the word "yellow" on the board before class begins. He doesn’t bring the word to the students’ attention, but they can all clearly see it. Later, he asks each student to write down the name of the first fruit that comes to mind. The majority of the class writes "banana." This illustrates the concept of .

Priming.

Explanation:

Based on the information provided within the question it can be said that in this scenario this illustrates the concept of Priming. In the context of psychology, this term refers to a technique in which exposing an individual to a certain stimuli influences a response to a subsequent stimulus. Which in this case the students associated the word "yellow" with the yellow fruit "banana".