People have different thresholds of perception. A stimulus must be presented at a certain level of intensity before it can be detected by sensory receptors. Many studies have shown that a consumer's sensory detection abilities decline as they grow older.

Discuss how marketers of: (1) Donation organisations (such as World Vision Australia) and (2) Cruise Vacation can apply the concept of differential threshold when attempting to appeal to the elderly (above 70-year-old). (10%)

Hint: Think in relation to the 5 senses.