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The Program for the International Assessment of Adult Competencies (PIAAC) is a multicycle survey of adult skills and competencies sponsored by the Organization for Economic Cooperation and Development (OECD). The survey examines a range of basic skills in the information age and assesses these adult skills consistently across participating countries. PIAAC is the sixth of a series of adult skills surveys, sponsored by the National Center for Education Statistics (NCES), that have been implemented in the United States. This third report describes the methodology used to produce the county-level estimates by age and education groups. [For the second report, "Program for the International Assessment of Adult Competencies (PIAAC): State-Level Estimation for Age and Education Groups Methodology Report. NCES 2022-050," see ED622835.]

The Program for the International Assessment of Adult Competencies (PIAAC) is a multicycle international survey of adult skills and competencies sponsored by the Organization for Economic Cooperation and Development (OECD). The survey examines a range of basic skills in the information age and assesses these adult skills consistently across participating countries. The first cycle of PIAAC included three rounds: 24 countries participated in 2011-12 (round 1), 9 additional countries participated in 2014-15 (round 2), and 5 additional countries participated in 2017-18 (round 3). The United States participated in all three rounds of the first cycle of PIAAC. This is the second methodology report on the PIAAC Small Area Estimation (SAE). This report is a follow-up to the initial report and describes the methodology for creating model-based estimates for age and education groups. [For the first report, "Program for the International Assessment of Adult Competencies (PIAAC): State and County Estimation Methodology Report. NCES 2020-225," see ED622834.]

The Program for the International Assessment of Adult Competencies (PIAAC) is a multicycle survey of adult skills and competencies sponsored by the Organization for Economic Cooperation and Development (OECD). The survey examines a range of basic skills in the information age and assesses these adult skills consistently across participating countries. The first cycle of PIAAC included three rounds: 24 countries participated in 2011-12 (round 1); 9 additional countries participated in 2014-15 (round 2); and 5 additional countries participated in 2017-18 (round 3). The United States has participated in all three rounds of the first cycle of PIAAC. This report describes the statistical methodology used to produce estimates of average scores and high, middle, and low proficiency levels of adult skills for every state and county in the United States.

The Program for the International Assessment of Adult Competencies (PIAAC) is a multicycle survey of adult skills and competencies sponsored by the Organization for Economic Cooperation and Development (OECD). The survey examines a range of basic skills in the information age and assesses these adult skills consistently across participating countries. PIAAC is the sixth of a series of adult skills surveys, sponsored by the National Center for Education Statistics (NCES), that have been implemented in the United States. This report describes the statistical methodology used to produce estimates of average scores and high, middle, and low proficiency levels of adult skills for every state and county in the United States.

The U.S. PIAAC Survey of Incarcerated Adults was designed to provide policymakers, administrators, educators, and researchers with information to improve educational and training opportunities for incarcerated adults and foster skills they need in order to return to, and work successfully in, society upon release from prison. This report highlights data from the survey's extensive background questionnaire and direct assessments of cognitive skills. It examines the skills of incarcerated adults in relationship to their work experiences and to their education and training in prison. Results for incarcerated adults on the literacy and numeracy domains are presented in two ways: (1) as scale scores (estimated on a 0-500 scale), and (2) as percentages of adults reaching the proficiency levels established for each of these domains. The report includes results for groups of incarcerated adults by various characteristics, including employment prior to incarceration, experiences with prison jobs, skills certifications, educational attainment in prison, and participation in academic programs and training classes. The following are appended: (1) Methodology and Technical Notes; (2) PIAAC Scales and Proficiency-Level Descriptions; and (3) Members of the PIACC Prison Expert Group. [The research contained in this document was coordinated in part by the Texas Department of Criminal Justice.]