Uses a travel cost method to quantify benefits received by visitors to Petawawa National Forestry Institute's public awareness facilities. Analysis of data from 697 visitors provided a basis for calculating benefits, which are reported in monetary terms. These benefits ranged from $2.89 to $6.64 in value (United States) per visit. (Author/JN)

Describes efforts to assess the effectiveness of high school-aged interpreters through the use of a field experiment and measures of audience response. Concludes that youth naturalists were not always as effective in delivering interpretive programs as are adults; however, data suggest that the efficacy of employing youth as interpreters is strong…