Snellen chart H, K, O, S, 3, U, Y, A, C, E, G, L, 2. The normal Snellen chart is printed with eleven lines of block letters. The first line consists of one very large letter, which may be one of several letters, for example E, H, or N. Subsequent rows have increasing numbers of letters that decrease in size. A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific
Indirect tests of memory presented fragments of words with the first letter deleted (e.g. _urse) and found that performance rates were significantly lower than words that had the first letter intact (e.g. p_rse). This may be because the first letter is the first cue for what the word to follow may be. WFC is a test of the unconscious retention of information and so the majority of the new research associated with this test is geared towards implicit memory. One application of tests such as this one is with patients who have amnesia. When the distinction between explicit and implicit memory was first determined,