Background: Over the past two decades, inclusive STEM (science, technology, engineering, and mathematics) high schools have emerged as one strategy for increasing and broadening participation in STEM majors and careers, particularly for currently underrepresented students in those fields. However, limited research has examined whether strategies…

Many students lack problem-solving skills. As teenagers, they tend to blame external forces or other people when something goes wrong, instead of trying to understand the root cause to prevent it from happening again. This article discusses the Lean Six Sigma methodology for problem solving, which the Board of Cooperative Educational Services in…

The purpose of the study is to present research focused on validating the four algebra cognitive models in Gierl, Wang, et al., using student response data collected with protocol analysis methods to evaluate the knowledge structures and processing skills used by a sample of SAT test takers.