Anza Borrego Desert State Park - California State Parks - State of ...

Final Report – October 2001
Table 39. Analysis of variance of the mean responses – Coyote Canyon (photo by
season)
Photo 1
Photo 2
Photo 3
Photo 4
Photo 5
Photo 6
Between groups
Within groups
Total 644.5 274
Sum sq. D.f. Mean sq. F Sig.
1.7 1 1.7 0.7 0.393
642.8 273 2.3
Between groups
9.8 1 9.8 4.1 0.043
Within groups
645.8 273 2.3
Total 655.6 274
Between groups
.7 1 .7 0.2 0.655
Within groups
1021.1 269 3.7
Total 1021.9 270
Between groups
4.6 1 4.6 0.7 0.380
Within groups
1622.2 271 5.9
Total 1626.8 272
Between groups
12.1 1 12.1 1.9 0.166
Within groups
1704.3 270 6.3
Total 1716.4 271
Between groups
5.9 1 5.9 0.9 0.331
Within groups
1684.4 270 6.2
Total 1690.3 271
Table 40. Measures of association – Coyote Canyon (photo by season)
Photo by Season Eta Eta 2 *
Photo 1 .052 .003
Photo 2 .122 .015
Photo 3 .027 .001
Photo 4 .053 .003
Photo 5 .084 .007
Photo 6 .059 .003
*Eta 2 = Proportion of the explained variance. Varies between 1 (completely
accounted for by the second variable) and 0 (no effect).
Spring visitors were slightly more sensitive to the first intrusion (Photo 2). Overall
however, there were no other significant differences in the responses to the photos
among the fall and spring survey groups.
Respondents were asked:
“Of the six photos, which one represents the conditions you would prefer?
The majority of visitors preferred vegetation to be in at least as good condition as that
illustrated in Photo 2 (Figure 32).
Question 22 asked the visitors to respond to the following:
Which photo represents the highest level of vegetation loss the Park should
allow, to maintain the quality you prefer?
47