Problem solving is often challenging for students because they do not understand the problem-solving process (PSP). This study presents a three-stage, context-based, problem-solving, learning activity that involves watching detective films, constructing a context-simulation activity, and introducing a project design to enable students to construct…

Despite the widespread popularity of growth curve analysis, few studies have investigated robust growth curve models. In this article, the "t" distribution is applied to model heavy-tailed data and contaminated normal data with outliers for growth curve analysis. The derived robust growth curve models are estimated through Bayesian…

This study uses a multi-level multivariate propensity score matching approach to examine the synthetic cohort design (SCD) in estimating the schooling effect on mathematics proficiency of the focal cohort 2 (8th graders). Collecting 7th and 8th graders at the same time point, the SCD is sufficient in estimating the schooling effect under the…