. 2017 Oct 2;20(18):3360–3371. doi: 10.1017/S136898001700249X

Table 2.

Average response times (in ms) in the visual search task of Study 4, containing groups of one or three labels for trials with and without warning signs of different colour, completed by Uruguayan adults (n 35) aged 18–50 years

Number of	Presence of a label with warning	Colour of the warning
labels in the set	on the labels	Black	Red
One	Yes	692^a	806^b
	No	790^a	912^b
Three	Yes	751^a	959^b
	No	961^a	1202^b

^a,bMean values within a row with unlike superscript letters were significantly different according to Tukey’s test (P<0·05).