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Table 4 Results of statistical testing of obtained differences
From: How does road marking in horizontal curves influence driving behaviour?
Indicator | Road marking type | Curve direction | Profile number | Difference | p-value | Significant difference? |
|---|---|---|---|---|---|---|
Average speeds | Edgelines | Left | N/A | −0.24 | 0.168 | No |
Right | −4.15 | 0.000 | Yes | |||
Centreline | Left | −7.16 | 0.000 | Yes | ||
Right | −5.01 | 0.000 | Yes | |||
Lateral positions | Edgelines | Left | 1 | −0.06 | 0.082 | No |
2 | −0.05 | 0.776 | No | |||
3 | + 0.04 | 0.054 | No | |||
Avg − 0.02 | ||||||
Right | 1 | −0.23 | 0.000 | Yes | ||
2 | −0.22 | 0.000 | Yes | |||
3 | −0.41 | 0.000 | Yes | |||
Avg − 0.29 | ||||||
Centreline | Left | 1 | + 0.13 | 0.000 | Yes | |
2 | + 0.07 | 0.000 | Yes | |||
3 | −0.29 | 0.000 | Yes | |||
Avg − 0.03 | ||||||
Right | 1 | −0.16 | 0.000 | Yes | ||
2 | −0.25 | 0.000 | Yes | |||
3 | −0.50 | 0.000 | Yes | |||
Avg − 0.30 |