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Download full textRampey, Bobby D.; Finnegan, Robert; Mohadjer, Leyla; Krenzke, Tom; Hogan, Jacquie; Provasnik, Stephen – National Center for Education Statistics, 2016
The Program for the International Assessment of Adult Competencies (PIAAC) is a cyclical, large-scale study of adult skills and life experiences focusing on education and employment. Nationally representative samples of adults between the ages of 16 and 65 are administered an assessment of literacy, numeracy, and problem solving in technology rich…
Descriptors: Young Adults, Older Adults, Unemployment, Skills
Direct linkAcevedo Nistal, Ana; Van Dooren, Wim; Verschaffel, Lieven – Educational Studies, 2013
Thirty-six secondary school students aged 14-16 were interviewed while they chose between a table, a graph or a formula to solve three linear function problems. The justifications for their choices were classified as (1) task-related if they explicitly mentioned the to-be-solved problem, (2) subject-related if students mentioned their own…
Descriptors: Secondary School Students, Problem Solving, Tables (Data), Graphs
Acevedo Nistal, A.; Van Dooren, W.; Verschaffel, L. – Educational Psychology, 2014
This study evaluates the effects of an intervention aimed at improving representational flexibility in linear-function problems. Forty-nine students aged 13-16 participated in the study. A pretest-intervention-posttest design with an experimental and control group was used. At pretest, both groups solved a choice test, where they could freely…
Descriptors: Intervention, Experimental Groups, Control Groups, Secondary School Mathematics
