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Table 4 Tukey’s Post Hoc Analysis – 2-3 units of information
From: Units of information on dynamic message signs: a speed pattern analysis
Information on DMS | Phase | Mean Difference (I-J) | Std. Error | Sig. | |
|---|---|---|---|---|---|
2–3 units | Initial Speed | Visible Area | 1.153 | 1.590 | 0.936 |
Readable Area | 1.351 | 1.590 | 0.891 | ||
Lost legibility | −3.903 | 1.590 | 0.063 | ||
Post DMS Area | −4.130a | 1.590 | 0.042 | ||
Visible Area | Initial Speed | −1.153 | 1.590 | 0.936 | |
Readable Area | 0.197 | 1.590 | 1.000 | ||
Lost legibility | −5.056a | 1.590 | 0.006 | ||
Post DMS Area | −5.283* | 1.590 | 0.003 | ||
Readable Area | Initial Speed | −1.351 | 1.590 | 0.891 | |
Visible Area | −0.197 | 1.590 | 1.000 | ||
Lost legibility | −5.254a | 1.590 | 0.004 | ||
Post DMS Area | −5.481a | 1.590 | 0.002 | ||
Lost legibility | Initial Speed | 3.903 | 1.590 | 0.063 | |
Visible Area | 5.056a | 1.590 | 0.006 | ||
Readable Area | 5.254a | 1.590 | 0.004 | ||
Post DMS Area | −0.226 | 1.590 | 1.000 | ||
Post DMS Area | Initial Speed | 4.130a | 1.590 | 0.042 | |
Visible Area | 5.283a | 1.590 | 0.003 | ||
Readable Area | 5.481a | 1.590 | 0.002 | ||
Lost legibility | 0.226 | 1.590 | 1.000 |