Evaluation of negative features of street trees in State College, Pennsylvania, comparing tree vs. no tree in front of residence (independent samples t-test).
Tree planted directly in front of house | Numberz | Mean | t-test | py |
---|---|---|---|---|
Attract animal problems | ||||
Yes | 555 | 0.58 | −0.499 | .618 |
No | 105 | 0.62 | ||
Insects/diseases in tree | ||||
Yes | 556 | 0.81 | −1.422 | .156 |
No | 105 | 0.93 | ||
Branches break power lines in storms | ||||
Yes | 561 | 0.85 | −2.112 | .037* |
No | 105 | 1.08 | ||
Sidewalk damaged | ||||
Yes | 565 | 1.23 | 2.506 | .012* |
No | 105 | 0.95 | ||
Branches fall | ||||
Yes | 558 | 1.03 | 0.632 | .528 |
No | 105 | 0.98 | ||
Leaves fall | ||||
Yes | 558 | 1.22 | 1.178 | .239 |
No | 105 | 1.10 | ||
Flowers/seeds fall | ||||
Yes | 555 | 0.99 | 1.163 | .245 |
No | 102 | 0.87 | ||
Block the sun | ||||
Yes | 560 | 0.63 | −0.681 | .496 |
No | 104 | 0.68 | ||
Darken street at night | ||||
Yes | 557 | 0.60 | −0.342 | .733 |
No | 105 | 0.63 | ||
Cause allergies | ||||
Yes | 555 | 0.59 | −1.306 | .192 |
No | 103 | 0.70 | ||
Block visibility | ||||
Yes | 556 | 0.48 | −3.209 | .002* |
No | 105 | 0.77 |