Table 1.

Examples of Trump and unattributed misinformation with corresponding corrections.

	misinformation	correction
Trump	Donald Trump said that vaccines cause autism.	Donald Trump said that vaccines cause autism.
	On a scale between 0 and 10, do you believe Trump's statement to be true?	This is false.
		There is strong consensus in the scientific community that vaccines are not linked to autism. For example, one study by the Danish Epidemiology Science Centre tracked all children born in Denmark from 1991 to 1998 and concluded that there was no increase in the rate of autism for vaccinated as opposed to non-vaccinated children.
		You previously rated this statement x out of 10 (0 = definitely false, 10 = definitely true)
unattributed	Vaccines cause autism.	Vaccines cause autism.
	On a scale between 0 and 10, do you believe this statement to be true?	This is false.
		There is strong consensus in the scientific community that vaccines are not linked to autism. For example, one study by the Danish Epidemiology Science Centre tracked all children born in Denmark from 1991 to 1998 and concluded that there was no increase in the rate of autism for vaccinated as opposed to non-vaccinated children.
		You previously rated this statement x out of 10 (0 = definitely false, 10 = definitely true).