What Is the Just Meaningful Difference (JMD)

Multiple Choice

What is the just meaningful difference (JMD) ?

A) the smallest amount of change in a stimulus that would influence consumer consumption and choice
B) the difference between the initial stimulus intensity and the increase or decrease in intensity that is relevant to a consumer
C) how much stronger one stimulus has to be relative to another so that someone can notice that the two are not the same
D) how a consumer's initial bias will influence the effectiveness of changing the intensity of a stimulus