Background and objectives: An early understanding of numerosity is crucial to developing proficiency in arithmetic, and rapid pattern recognition via subitizing is key in this process. The training app "LORE" specifically targets and cultivates pattern recognition skills from the beginning of formal schooling. This study investigated…

In a study examining the efficacy of Heggerty's Bridge to Reading program during the 2023-2024 school year, LXD Research measured the program's impact on kindergarten and first-grade students' reading outcomes on the NWEA MAP Reading Fluency assessment. Results indicated that first graders using the program demonstrated significantly greater…

This national implementation study aimed to evaluate the effectiveness of Tier 2 structured literacy teaching set within a multi-tiered system of support. Case-controlled matching was used to determine the impact of the implementation for 1,265 5-year-old children. One comparison group included 1,265 children who were matched to the experimental…

With large-scale wicked problems threatening our world, the integration of sustainability into teacher professional learning is systemically lacking in the United States. The purpose of this case study was to understand the impact of a multi-session, sustainability-related professional learning program on twelve PreKindergarten-8th grade educators…

There is growing recognition that mathematical modeling can be a lever for equity in elementary mathematics classrooms. This study focuses on the impact of a professional development program focused on culturally responsive mathematical modeling on 8 kindergarten through 2nd grade teachers' practices in modeling lessons. We use a project developed…

Purpose: We conducted a randomized control trial of an instructional program, SRSD Plus, which integrates reading for writing to inform, writing, oral language, spelling and handwriting for students in Grades 1 and 2. Method: A total of 10 teachers and their 248 students in Grade 1 (n = 121) and Grade 2 (n = 127) in the southwestern part of the US…

Most teachers report wanting more training and support to teach autistic students. Individual, autism-focused coaching is a promising approach for improving teacher self-efficacy and autistic student outcomes. Given the high workload demands of coaching, it must be feasible and acceptable. This study considers coaches', teachers', and autistic…

Developing computational thinking (CT) skills at an early age can help develop literacy, science, and mathematics skills; however, CT instruction in grades K-2 remains limited. This study examined the perceptions of 45 K-2 teachers from 30 school districts before and after a CT professional development (PD) experience. The PD included two online…

Most teachers report wanting more training and support to teach autistic students. Individual, autism-focused coaching is a promising approach for improving teacher self-efficacy and autistic student outcomes. Given the high workload demands of coaching, it must be feasible and acceptable. This study considers coaches', teachers', and autistic…

Students most at risk for reading-related disabilities frequently struggle with word recognition and oral language, including, in the earliest grades, specific skills related to phonological awareness and vocabulary. Classroom teachers' delivery of high-quality differentiated supplemental instruction may promote reading acquisition for these…

Few public schools in Massachusetts offer a sex-positive, inclusive sexuality education curriculum at the elementary school level. One Massachusetts public elementary school identified the need for such a program that addresses communication, sexuality, gender, and consent. The LETS! Teach, Affirm, Learn, Know (T.A.L.K.) curriculum was developed,…

There is a need to adapt research-based behavior management interventions so they have utility for virtual instruction. In this study, we investigated whether Class-Wide Function-Related Intervention Teams (CW-FIT) would increase group engagement for a first-grade inclusive class during virtual reading instruction. Results of the single case ABAB…

This paper reports the results of a randomized controlled trial evaluating "We Have Skills," a brief curriculum designed to teach early elementary students academic and social skills as well as improve teacher efficacy in classroom management. Intervention efficacy was tested with 127 teachers, randomly assigned to condition, and 2,817…

Students with disabilities have been inequitably served by the United States educational system for decades. This research study explores general education teachers' beliefs and pedagogical approaches to the incorporation of students with disabilities into their classrooms. 22 general education teachers (teaching grades 1-5) participated in a…

Background: Over 15% of kindergarten and first grade students in U.S. public schools are English learners (ELs) (National Center for Education Statistics [NCES], 2021). Many classroom teachers, however, have not had specialized training in providing instruction for ELs. The BELLA (Bridging English Language Learning and Academics) professional…