Perceived benefit of having an improved knowledge of selected subjects (mean scores, 5-point scale) by survey and professional group.
| Subject | Survey | Group | Total n = 624 | |||||
|---|---|---|---|---|---|---|---|---|
| PA n = 256 | NADF n = 367 | F value | Arborist n = 261 | Builder n = 76 | Designer n = 212 | F value | ||
| Tree health | 4.34* | 4.49* | 4.54 | 4.55 a | 3.99 b | 4.44 a | 13.67 | 4.43 |
| Soil conditions | 4.32 | 4.43 | 2.87 | 4.50 a | 3.84 b | 4.45 a | 19.31 | 4.38 |
| Tree preservation | 4.36 | 4.40 | 0.33 | 4.49 a | 3.97 b | 4.38 a | 10.93 | 4.38 |
| Cost of preservation | 4.20 | 4.34 | 3.59 | 4.41 a | 3.91 b | 4.23 ab | 8.92 | 4.28 |
| Benefits of landscape | 3.95 | 3.93 | 0.03 | 4.04 a | 3.55 b | 3.89 ab | 5.90 | 3.94 |
Between surveys, an asterisk indicates means are significantly different at p < .05; d.f. = 1, 621.
Among groups, means within a row followed by the same letter are not significantly different at p < .05; d.f, 2, 546.