Small independent action force (SIAF) vegetation classification study.
Deutscher, Wayne Everett
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This study was conducted to examine the Small Independent Action Force (SIAF) Model's vegetation classification scheme. The SIAF Model has as its basis an ordinal scale based upon density and type of vegetation. An interval scale based upon individual judgments was established which did not correlate with the model's scale in two instances. SIAF Class 6 was judged as most difficult with respect to intervisibility and SIAF Class 3 was judged more difficult than SIAF Class 4. An attempt was made to determine how well an individual could determine the classification of a scene utilizing the existing SIAF Classes. Results indicated that individuals attained a correct response of 43.6%. It was also determined that there was negative intraclass correlation using the Intraclass Correlation Coefficient. No prediction can be made as to how an individual would respond to identical stimuli. There was found to be no learning effect by the subjects in determining correct SIAF Class discriminations.
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