Volunteering, STEM education and occupation, and information-processing skills such as literacy, numeracy, and digital problem-solving skills are important indicators of a nation's well-being as they represent civic engagement, economic development, and the human capital of the population. Although these critical social indicators have been…

We investigated whether andragogical assumptions and their common critiques are reflected in global PIAAC data using its motivation-to-learn (MtL) and elaboration scales. A preliminary validation study with 300 adults revealed that andragogical assumptions cluster on these scales' two factors. Using hierarchical linear modelling of PIAAC data, we…