Undergirded by "economic theory of the principal-agent problem", the study investigated secondary school teachers' perception of the influence of large-scale testing accountability on teaching and learning. Cross-sectional survey design was used. Simple random sampling was also employed to select 200 teachers for this study. The…

This paper follows an earlier report of young children's object play activities investigated in a cross-sectional sample of 289 typically developing children. Thirty-minute videotaped observations were taken of children at 8, 12, 18, 24, 30, 36, 42, 48, 54, and 60 months of age in their homes. Forty-nine percent were boys. Children were identified…

Background: Today's complex information environment requires effective navigation and analysis of multiple sources to make reliable decisions about complex topics. Learners must enact thinking that reliably leads to well-justified decisions, adapt thinking to specific problems and contexts, and recognize the limits of their existing knowledge…