4.1. Qualitative performance measures
Qualitative performance measures are those
measures for which there is no single direct numerical
measurement, although some aspects of them
may be quantified. These objectives have been identi
Þed as important, but are not used in the models
reviewed here:
f Customer satisfaction: The degree to which
customers are satisÞed with the product and/or
service received, and may apply to internal customers
or external customers. Customer satisfaction
is comprised of three elements [33]:
1. Pre-transaction satisfaction: satisfaction associated
with service elements occurring prior to
product purchase.
2. Transaction satisfaction: satisfaction associated
with service elements directly involved
in the physical distribution of products.
3. Post-transaction satisfaction: satisfaction associated
with support provided for products
while in use.
f Flexibility: The degre