Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 1 Demographic Information of the three Countries/Datasets of the Current Study

From: An engagement-aware predictive model to evaluate problem-solving performance from the study of adult skills' (PIAAC 2012) process data

	PS-TRE Booklet PS1
	Total N	Age	Male (%)	Female e (%)
United States	1,329	^a	45.60	54.40
South Korea	1,434	34.98 (12.16)	46.93	53.06
United Kingdom	2,358	39.69 (13.29)	41.30	58.70

^aOnly available in the U.S. restricted-use files

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