Final answer:
False, a decline in relative product and service quality does not necessarily mean that actual product or service quality has declined.
Step-by-step explanation:
A decline in relative product and service quality means that actual product or service quality has declined.
False, a decline in relative product and service quality does not necessarily mean that actual product or service quality has declined. Relative quality refers to the perception of quality compared to other options available. For example, if the quality of a product or service decreases but the quality of other options also decreases, then the relative quality may remain the same.