As tennis balls were added the student perceived a change in weight of the backpack. This demonstration would provide an example of the which is the minimum intensity of sensory stimulation needs to change before the sensation is detected 50 percent of the time.

difference Threshold

Explanation:

As tennis balls were added the student perceived a change in weight of the backpack. This demonstration would provide an example of the difference Threshold which is the minimum intensity of sensory stimulation needs to change before the sensation is detected 50 percent of the time.

.A difference threshold is the minimum amount that something needs to change in order for a person to notice a difference 50% of the time. ... For example, if I were to give you a pile of five marshmallows and then give you one more, you'd probably notice the difference just like in the case of the tennis balls that were added so that the student can perceive change in weight of the backpack.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.