If it can be shown either way that could, officials say, go on to affect national policy decisions.
A careful editorial insists that the image is not shown "either in support of the US war effort or in opposition to it".
In one experiment, college students in Toronto were shown either pictures of desserts or pictures of nature, then offered a choice between a lottery ticket with a small, fast payout and one with a slightly larger but deferred payout.
On one wall are four prints from Kara Walker's "Emancipation Approximation" series (1999-2000), in which silhouetted figures of antebellum slaves are shown either half covered with gooey white liquid or carrying unwieldy white bundles on their heads.
It was shown either recumbent or seated on its haunches, often paired with the sphinx; its function may have been protective.
Other instruments have shown either one or two decomposition steps during heating.
Surprisingly, the results of adjuvant breast cancer trials have shown either modest to no benefit or even harm.
The complete arrangements had to be inferred from pairs of objects, because participants were shown either word pairs or picture pairs depicting adjacent objects.
