Data for: Interest in the Biosphere and Environmental Awareness and Optimism among Students: A Seemingly Unrelated Bivariate Weighted Ordered Probit Modeling with Country Fixed Effects

This R-formatted data is extracted from the 2015 publicly released student questionnaire data file, which includes estimates of student performance and parent-questionnaire data from the 35 OECD countries and 37 partner countries, for a total sample size of 519334 observations. After variables selection, data treatment, and accounting for missing information, our final analysis used data on a total of 187821 students from 50 countries worldwide. More information on the original dataset can be found at http://www.oecd.org/pisa/data/2015database/