Note that this research was done in 2017. You can see the press release here: https://nces.ed.gov/surveys/piaac/current_results.asp https://nces.ed.gov/surveys

Note that this research was done in 2017. You can see the press release here: https://nces.ed.gov/surveys/piaac/current_results.asp https://nces.ed.gov/surveys/piaac/current_results.asp Sample questions from the test are available here: https://nces.ed.gov/surveys/piaac/sample_lit.asp https://nces.ed.gov/surveys/piaac/sample_lit.asp https://nces.ed.gov/surveys/piaac/sample_num.asp https://nces.ed.gov/surveys/piaac/sample_num.asp https://nces.ed.gov/surveys/piaac/sample_pstre.asp https://nces.ed.gov/surveys/piaac/sample_pstre.asp https://nces.ed.gov/surveys/piaac/sample_reading.asp https://nces.ed.gov/surveys/piaac/sample_reading.asp