“…Currently, literacy issues have been researchers' special interest in many countries. For example, over the last two decades, there have been a large number of nationwide surveys, such as in England (Department for Business, Innovation, and Skills, 2012); Germany (Grotlüschen, Riekmann, Buddeberg, 2014;Mallows & Litster, 2016) as well as in a global scope (Kirsch, Yamamoto, Norris, Rock, Jungeblut, O'Reilly, … & Baldi, 2001;OECD, 2013OECD, , 2018 that have identified that a vast proportion of the working-age population has low levels of literacy skills. This phenomenon encourages joint efforts by governments in many of these countries to improve the literacy skills of their people through the development of literacy programs to support life.…”