A professional development program (PSPD) was implemented to improve in-service secondary mathematics teachers' content knowledge, pedagogical knowledge, and self-efficacy in teaching secondary school statistics and probability. Participants generated a teaching resource website at the conclusion of the PSPD program. Participants' content…

Do multiple choice unit tests reflect what students have learned during the unit? The day before the administration of a county-mandated multiple choice test, two classes were shown a topic they had not previously seen, and told it would be on the test. One class was shown the same material and told it was not important, and two classes were not…

This study reports the results of a survey of a representative sample of 1,206 elementary reading and English Language Arts teachers in Oregon to learn (1) what materials are currently being used, (2) what materials teachers would prefer, and (3) what instructional practices teachers use. Qualitative data included 365 comments and 34 interviews…

Individuals who are deaf have historically faced significant obstacles to equity in employment. This secondary analysis of data from the second National Longitudinal Transition Study (NLTS2) examined (a) intensive vocation-related courses taken by students who are deaf and (b) their impact on long-term employment outcomes. Deaf students in general…

Shy children display wariness in unfamiliar social situations and often experience feelings of social anxiety. This study explored the potential mediating role of cognitive biases in the link between shyness and social anxiety in early adolescence. In particular, we focused on judgments of the probability and cost of negative social situations…

Intentional forgetting of previously learned information is an adaptive cognitive capability of humans but its cognitive underpinnings are not yet well understood. It has been argued that it strongly depends on the presentation method whether forgetting instructions alter storage or retrieval stages (Basden, Basden, & Gargano, 1993). In…

This paper reports on the results of a study investigating the potential to embed Informal Statistical Inference in statistical investigations, using TinkerPlots, for assisting 8th grade students' informal inferential reasoning to emerge, particularly their articulations of uncertainty. Data collection included students' written work on a…

The present longitudinal study addressed the ongoing debate regarding the benefits and risks of infant-parent cosleeping by examining associations between sleep arrangement patterns across the first year of life and infant and parent sleep, marital and family functioning, and quality of mothers' behavior with infants at bedtime. Patterns of infant…

Background: Psychology has also proven to be helpful in developing and evaluating diabetes prevention programs, aimed at helping persons at risk for diabetes to achieve lasting lifestyle changes. There are psychological and chemical advantages of doing physical exercise over eating. Nurses caring for patients with diabetes need to be working…

The Common Core State Standards for Mathematics (CCSSSM) suggest many changes to secondary mathematics education including an increased focus on conceptual understanding and the inclusion of content and processes that are beyond what is currently taught to most high school students. To facilitate these changes, students will need opportunities to…

Increasing the number of Science, Technology, Engineering and Math (STEM) university graduates is considered a key element for long-term productivity and competitiveness in the global economy. Still, little is known about what actually drives and shapes students' choices. This paper focusses on secondary school students at the very top of the…

As high school students make more and more important decisions, their need for financial literacy increases significantly. To succeed in life, they need both an understanding of financial issues and the math skills to make financially sound choices. With all the requirements and standards to be met in high schools today, how can teachers find room…

These proceedings are a written record of the research presented at the 42nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (PME-NA) held in Mazatlán, Mexico, virtually beginning May 27, 2021 and in-person June 2-6, 2021. The conference was originally scheduled to take place…

Each time children change schools, they leave behind friends, and must adapt to a new environment. This new environment may include not only a new school, but also a new home, a new neighborhood, a new part of town, and, potentially, a new family arrangement. This larger array of possible changes will determine if the move causes overall benefit…

Education Northwest partnered with Oregon Mathematics, Engineering & Science Achievement (MESA) to measure the effect of program participation by comparing academic outcomes of two groups of students: those who participated in MESA and a matched group of peers who did not. All things that we could measure and are linked to student academic…