Missing letter effect circle a target letter every time they come across it while reading a short passage. The missing letter effect is more likely to appear when reading words that are part of a normal sequence, than when words are embedded in a mixed-up sequence (e.g. readers asked to read backwards). Two primary hypotheses tried to explain the missing letter effect: Healy (1994) emphasized identification processes playing a crucial role, almost entirely focusing on word frequency. However, Koriat & Greenberg (1994) viewed the structural role of the word within a sentence (i.e. function words vs. content words) to be crucial. Both accounts
Wikipedia logo Commons Attribution-ShareAlike 3.0 license. On September 29, 2017, the logo of Wikipedia was submerged to the bottom of Armenia’s Lake Sevan thanks to the joint efforts of Wikimedia Armenia and ArmDiving divers’ club. The logo is an unfinished globe made of puzzle pieces with symbols (including Armenian “v” letter) from different sign systems written on them. The 2m wide, 2m high logo (the largest in the world) was made in Armenia for the annual meeting of the Central and Eastern Europe Wikimedia affiliates, Wikimedia CEE Meeting that the country hosted in August 2016 in Dilijan. The (former) logo was registered