An evaluation of the supplemental instruction program implemented in a first-year calculus course.

Socioeconomic factors affecting non-timber forest product collection in the Komi Republic, Russia.

“…The results of the Hosmer-Lemshow test are reported for each model, labelled by NTFP, in Table 32 below. The Nagelkerke R Square, which is a value that falls between 0 and 1, was used to estimate the percent of variance explained by the model and can be considered a pseudo rsquared statistic (Fayowski, 2006). For example, in the firewood model, Nagelkerke R Square = .217 which means that the variables in the model explain approximately 22% of the variation in firewood collection.…”