Concordance among extension workers, researchers, and professional arborists in rating landscape trees

In the study described here [the authors] used the Delphi method to collect data on species rating and used the Kendall coefficient of concordance to test the strength and quality of agreement of a panel of Extension professionals among themselves and in comparison with other professional groups.

[Ti: Concordance among extension workers, researchers, and professional arborists in rating landscape trees]
[Au: Lorenzo, A.B.,, Blanche, C.A., and, Henson, J.F.,]
[So: Journal of Extension 41(5):]
[Ky: Urban Forestry Research]]