
When we want to know the impact of an intervention, we conduct randomized controlled trials, also known as experimental studies. Below is a list of key experimental studies conducted by WestEd researchers.
Our researchers are examining the impact of Reading Apprenticeship® teacher professional development on high school U.S. history and biology instruction.
Algebraic Interventions for Measured Achievement
Read about this experimental study testing the efficacy of an intervention curriculum targeting specific algebraic learning trouble spots.
Read the research behind this Regional Educational Laboratory West (REL West) study investigating the effects of assessment accommodations on standardized test scores and test score validity for English learners.
Diagnostic Embedded Classroom Assessment — An Efficacy Study
The findings from this study will contribute to a better understanding of the general effects of embedded diagnostic assessment on student learning in science curricula.
Efficacy Study: Quantum Chemistry Tutors
The findings from this study will contribute to a better understanding of the general effects of the use of intelligent tutoring software on student learning.
Evaluation of the First In Math© Online Mathematics Program in New York City
WestEd researchers are evaluating this online mathematics program on fourth and fifth grade student achievement in New York City.
High School Instruction With Problem-Based Economics
Read about this study, which evaluates the effectiveness of a problem-based instructional approach to high school economics, a required course for high school graduation in some western states.
WestEd researchers are testing the effectiveness of Reading Apprenticeship® teacher professional development with a focus on integrating reading instruction and science instruction.
This study examines the impact of Lessons in Character, an English language arts-based character education program.
This study is testing the effectiveness of WestEd's Math Pathways & Pitfalls instructional materials on improving student performance in mathematics and academic language development.
Program for Infant/Toddler Care Research Study
REL West researchers are studying the effectiveness of WestEd's Program for Infant/Toddler Care.
Quality Teaching for English Learners Research Study
Read about this experimental study on WestEd's Quality Teaching for English Learners project.
Our researchers are evaluating the short-term effectiveness of an innovative school-based violence prevention program.
Understanding Science and the Academic Literacy of English Learners
REL West researchers are testing the effectiveness of WestEd's Understanding Science teacher professional development program.


