TIGCR conducts a two-wave online panel survey from November to the beginning of next year on the topic of the 2021 referendum to explore TIGCR-PPS panel interviewees' attitudes toward the issues of the referendum and controversial policies. Since the Central Election Commission announced that the 2021 referendum would be postponed from August 28 to December 18 due to the COVID-19 outbreak in Taiwan, the pre-referendum survey start conducting from November 29 to December 17, and the post-referendum wave will be conducted from December 19 to January 9, 2022.