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Contemporary Ergonomics and Human Factors 2013
book

Contemporary Ergonomics and Human Factors 2013

by Martin Anderson
April 2013
Intermediate to advanced content levelIntermediate to advanced
468 pages
13h 42m
English
Taylor & Francis
Content preview from Contemporary Ergonomics and Human Factors 2013
48 N. Jiang
Figure 1. Completion Rate (CR) and Error Rate (ER).
Table 4. Correlation matrix (p< 0.01).
Errors
Completion (Task A) Play.com .709
Amazon.co.uk .388
Completion (Task B) Play.com .346
Amazon.co.uk .153
onTask A as it reported much higher task completion rate with lower error rate than
the latter (82% with 51% vs. 16% and 68%), which is also in line with statistical
analysis. However, the two websites delivered very similar results on Task B which
cannot lead to a conclusion as the difference is only marginal (57% with 59% vs.
55% with 61%).
Relationships between metrics
A correlation matrix with the two metrics was generated by using the
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Publisher Resources

ISBN: 9781138000421