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 (Japanese kanji) with subjects' own names, and with other names. He found that there was no difference in how much subjects liked the kanji symbol representing their own name or other names. He concluded that evaluative conditioning is not the primary cause of the name-letter effect. Subjective ownership would occur if subjects knowingly chose the letters from their own name. Nuttin ruled out a conscious response strategy in tests. Despite being given a monetary reward and unlimited time, none of the subjects of his original study were able to find a pattern in the stimulus lists, ruling out the possibility