(Figure 11.14) Researchers used an experimental design in which they cleared large patches of pine forest in five areas. The central cleared area served as the source of dispersers. The four remaining cleared patches were (1) a rectangular unconnected patch, (2) a rectangular patch connected to the central patch by a cleared path that served as a corridor, (3) two rectangular patches with wings (patches with corridors that did not connect to other patches). The researchers were interested in the importance of habitat corridors to the movement of seeds, pollen, and butterflies between central and peripheral habitat patches. What was the purpose of the unconnected winged patches?
Definitions:
Significance Level
The threshold below which a null hypothesis is rejected in a statistical test, often denoted by alpha (α) and commonly set at 0.05 or 5%.
Friedman Test
A nonparametric test for detecting differences in treatments across multiple test attempts.
Friedman Test
A method involving non-parametric statistics aimed at uncovering treatment discrepancies across various attempts.
Sign Test
A nonparametric test used to determine whether the median of a population differs from a specified value by examining the signs of differences rather than their magnitude.
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