Eye chart number). The denominator indicates the distance in feet at which a person with normal vision could stand to correctly identify the same symbols identified by the person tested. For example, a visual acuity of 20/20 is considered normal. Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision. There is often also a need to test a subject's vision at near or occupational tasks (such as reading or computer use). For these situations, a Rosenbaum
Name-letter effect then also appear in reverse order, and finally the letters of both of Jef's names. The shading in the table reveals the pattern hidden to subjects, who would have been told to circle their preferred letter of each pair as fast as possible without thinking. In the first trial, 38 Dutch-speaking local elementary school girls circled the letters they preferred in two yoked lists of letter pairs. A significant preference for the letters of one's own name over those of the other person was found. The second experiment used 98 Dutch-speaking local university students, to see if more years of