Percentage in Us Who Believe in Anthropogenic Climate Change, Using Different Question Formats (image) Annenberg Public Policy Center of the University of Pennsylvania Share Print E-Mail Caption Question wording & response option effects across experimental conditions. Hollow circles correspond to mean levels of agreement with anthropogenic climate change, observed across experimental conditions. 95% confidence intervals extend out from each one. These analyses use weighted survey data and do not include Independents who 'lean' toward one party over the other. See the study and Supplementary Materials for additional information. Conditions: (1) Discrete, Hard DK [Don't Know], No Explainer; (2) Discrete, Soft DK, No Explainer; (3) Discrete, Hard DK, Explainer; (4) Discrete, Soft DK, Explainer; (5) Likert, Hard DK, No Explainer; (6) Likert, Soft DK, No Explainer; (7) Likert, Hard DK, Explainer; (8) Likert, Soft DK, Explainer Credit Motta et al. as published in Climatic Change. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.