Significant evidence supports the conceptual logic
underlying the SPC. Yet, the situation may be different
for FT products, and FT coffee in particular.
Other than its FT sourcing, there is no universal
difference between FT and traditional coffee, especially
in organoleptic terms. Moreover, for FT coffee,
customer satisfaction does not depend solely on
taste, quality, or price but also reflects an attribute
external to the consumption experience, over which
the customer has no control or feedback.