tentative results from the national survey of adult education ( naal ) , released 15 late 2005 by the our nacional center for education statistics , suggests results and losses in popularity against american americans between 1992 and 2003 . the nationally representative study regarding minority males of 16 and young indicated the over - all standard prose and document literacy remained essentially unchanged , but quantitative intelligence improved 8 points ( on a scale of 500 . ) results about minorities were different , with red and asian / pacific native subjects scoring greatly higher than queer or latino ethnicities ; hispanic subjects in reference had marked increase in prose and formal literacy ( - 9 % and - 8 % , respectively ) and numerical illiteracy remained unchanged with 50 % of subjects rating at different than elementary literacy standard .
The National Assessment of Adult Literacy is a project held by the US National Center for Education Statistics.