Statistical comparison of methods used in harvesting work studies Public Deposited
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Work-study guidelines were developed using field data from thinning sites in the Oregon Cascade Range. Regression of detailed time study and shift-level data predicted harvesting production rates. Statistical analysis showed the relative difference in the discriminating power between shift-level studies versus detailed time studies. Indicator variables tested if there were significant differences between harvesting treatments. Confidence intervals demonstrated the improved effect of longer study lengths for both shift-level and detailed time studies.
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