The third research question concerns the impact of the logistics information
system development strategy on the system evaluation. The fundamental
question is whether custom developed LIS (either operating or planning)
receive higher evaluations than “off-the-shelf ” or externally developed
packages. This evaluation is based on a Likert scaled question that asked the
respondent to agree or disagree with the statement that their operating (or
planning) system represented greater than 60 per cent customization. The
responses were grouped into the two categories of: less than or equal to 60 per
cent customization; and more than 60 per cent customization.