By other cultures. Example: show a set of color swatches all identical blue with one bluish green. Ask participants to indicate the exception. Speakers of langu

By other cultures. Example: show a set of color swatches all identical blue with one bluish green. Ask participants to indicate the exception. Speakers of languages with a blue-green distinction get it right essentially instantly (< 1 second); native speakers of languages without a blue-green distinction can take as much as 30 seconds and actually get it wrong (I.e., indicate one of the identical blue swatches)