In a seminal study, Bott and Noveck (2004) found that the scalar inference from
‘some’ to ‘not all’ was associated with increased sentence verifcation times, which
they took to show that scalar inferences are associated with a processing cost.
Recently, van Tiel, Pankratz, and Sun (2019) hypothesised that the presence of
this processing cost critically depends on the polarity of the scalar word. W...