
74 • Managing Supply Chain Risk
were made to analyze potential non- response bias (Armstrong & Overton
1977). No statistically signicant dierences were found. e majority of
responses were from manufacturing rms (Table4.2). Sales volume, num-
ber of employees, and respondent titles are shown in Tables4.3, 4.4, and
4.5, respectively.
DATA ANALYSIS
Results are categorized relative to the segments of ISO 31000:2009. In all
tables, the “agree/ disagree” questions are scaled from “1 = strongly dis-
agree” to “7 = strongly agree,” and the “extent of use” questions are scaled
from “1 = not used” to “7 = extensively used.”
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