Environics Focus Ontario 1987-4

Environics Focus Ontario (EFO) is a regular public opinion survey of Ontario residents which has been in the field since the 1986. EFO includes items which tap Canadian partisan loyalties. EFO is produced by Environics Research Group Limited, Toronto, Ontario.安大略环境聚焦调查（Environics Focus Ontario，EFO）是一项面向安大略省居民的常规民意调查，自1986年起便持续开展。该调查包含用于测度加拿大政党忠诚度的调研题项，由位于安大略省多伦多市的Environics Research Group Limited公司编制。