| Popis: |
This inattentional blindness study will systematically vary the appearance of the attended and ignored items while keeping the unexpected object constant. The set of attended items all will be either black (RGB = 0), gray (RGB=119), or white (RGB=255) circles (randomly selected for each participant). The set of ignored items will also all be either black (RGB = 0), gray (RGB=119), or white (RGB=255) circles (randomly selected for each participant with the constraint that the ignored colors will differ from the attended ones). All items are circles with a diameter of 55 pixels. For all participants, the unexpected item is a gray cross (RGB: 119 or hex #777777). This results in a total of 6 conditions (attend white, ignore black/gray; attend gray, ignore white/black; attend black, ignore white/gray). The objects will appear in a blue display window (RGB: 102, 102, 255 or hex #6666FF). The key question is whether noticing the unexpected object is affected by its similarity to the attended items only, the ignored items only, or both attended and ignored items. |
