Research Database

This tool allows education practitioners and researchers to quickly access quantitative research on tutoring program effectiveness. These 150+ research studies were selected due to their rigorous research designs which align with What Works Clearinghouse and Every Student Succeeds Act standards for moderate and strong evidence of intervention efficacy. Many studies were originally identified by their inclusion in recent meta-analyses (Baye et al., 2018; Neitzel et al., 2021; Nickow et al., 2020). Research may be sorted by grade level, subject, and tutor type in order to explore the evidence base for particular program designs. This database does not include qualitative research on best practices for tutoring implementation, for which we recommend exploring our District Playbook and Toolkit for Tutoring Programs.

If you have additional research studies (quantitative or qualitative) that you would like to share, please fill out this form or send an email to info@studentsupportaccelerator.org

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Does an integrated focus on fractions and decimals improve at-risk students’ rational number magnitude performance?. (2019). Malone, A. S., Fuchs, L. S., Sterba, S. K., Fuchs, D., & Foreman-Murray, L.. Contemporary Educational Psychology, 59, 101782. https://eric.ed.gov/?id=ED595127

Maths Counts Evaluation report and executive summary . (2018). See, B. H., Morris, R., Gorard S. G., Siddiqui, N.. London: Education Endowment Foundation. http://wrap.warwick.ac.uk/118127/

Effects of a year long supplemental reading intervention for students with reading difficulties in fourth grade. (2017). Wanzek, J., Petscher, Y., Otaiba, S. A., Rivas, B. K., Jones, F. G., Kent, S. C., Schatschneider, C., & Mehta, P.. Journal of Educational Psychology, 109(8), 1103–1119. https://doi.org/10.1037/edu0000184

Testing the efficacy of a kindergarten mathematics intervention by small group size. (2017). Clarke, B., Doabler, C. T., Kosty, D., Kurtz Nelson, E., Smolkowski, K., Fien, H., & Turtura, J. . AERA Open, 3(2), 2332858417706899. https://doi.org/10.1177/2332858417706899

Fraction intervention for students with mathematics difficulties: Lessons learned from five randomized controlled trials. (2016). Fuchs, L. S., Malone, A. S., Schumacher, R. F., Namkung, J., & Wang, A. . Journal of Learning Disabilities, 50(6), 631–639. https://doi.org/10.1177/0022219416677249

Effects of intervention to improve at-risk fourth graders' understanding, calculations, and word problems with fractions . (2016). Fuchs, L. S., Schumacher, R. F., Long, J., Jessica, N., Malone, A. S., Amber, W., & ... Changas, P. . Elementary School Journal, 116(4), 625–651. doi:10.1080/19345747.2015.1123336

REACH: Evaluation report and executive summary. (2016). Sibieta, L. . London: Education Endowment Foundation. https://eric.ed.gov/?id=ED581275

Examining the efficacy of a tier 2 kindergarten mathematics intervention. (2016). Clarke, B., Doabler, C. T., Smolkowski, K., Baker, S. K., Fien, H., & Strand Cary, M. . Journal of Learning Disabilities, 49(2), 152–165. https://doi.org/10.1177/0022219414538514

Reading Recovery: An Evaluation of the Four-Year i3 Scale-Up. (2016). May, H., Sirinides, P. M., Gray, A., & Goldsworthy, H.. CPRE Research Reports. https://repository.upenn.edu/cpre_researchreports/81/

Testing the efficacy of a tier 2 mathematics intervention: A conceptual replication study. (2016). Doabler, C. T., Clarke, B., Kosty, D. B., Kurtz-Nelson, E., Fien, H., Smolkowski, K., & Baker, S. K.. Exceptional Children, 83(1), 92–110. https://doi.org/10.1177/0014402916660084

Butterfly Phonics: Evaluation report and executive summary. (2015). Merrell, C., & Kasim, A. . London: Education Endowment Foundation. https://eric.ed.gov/?id=ED581118

Catch Up® Literacyeracy: Evaluation report and executive summary. (2015). Rutt, S., Kettlewell, K., & Bernardenelli, D.. London: Education Endowment Foundation. https://files.eric.ed.gov/fulltext/ED558735.pdf

Rapid Phonics: Evaluation report and executive summary. (2015). King, B., & Kasim, A.. London: Education Endowment Foundation. https://eric.ed.gov/?id=ED581293

An experimental evaluation of guided reading and explicit interventions for primary-grade students at-risk for reading difficulties. (2014). Denton, C. A., Fletcher, J. M., Taylor, W. P., Barth, A. E., & Vaughn, S.. Journal of Research on Educational Effectiveness, 7(3), 268–293. https://doi.org/10.1080/19345747.2014.906010

Preliminary evaluation of a tier 2 mathematics intervention for first-grade students: Using a theory of change to guide formative evaluation activities . (2014). Clarke, B., Doabler, C. T., Strand Cary, M., Kosty, D., Baker, S., Fien, H., & Smolkowski, K. . School Psychology Review, 43(2). https://files.eric.ed.gov/fulltext/EJ1142175.pdf

Catch Up® Numeracy Evaluation Report and Executive Summary . (2014). Rutt, S., Easton, C., & Stacey, O. . London: Education Endowment Foundation. https://www.nfer.ac.uk/publications/EFCU01/EFCU01.pdf

Intensive Reading Remediation in Grade 2 or 3: Are There Effects a Decade Later?. (2014). Blachman, B. A., Schatschneider, C., Fletcher, J. M., Murray, M. S., Munger, K. A., & Vaughn, M. G.. Journal of Educational Psychology, 106(1), 46–57. https://doi.org/10.1037/a0033663

Every Child Counts: Testing policy effectiveness using a randomised controlled trial, designed, conducted and reported to CONSORT standards. (2013). Torgerson, C. J., Wiggins, A., Torgerson, D., Ainsworth, H., & Hewitt, C. . doi:10.1080/14794802.2013.797746. doi:10.1080/14794802.2013.797746

Efficacy of the Leveled Literacyeracy Intervention System for K–2 urban students: An empirical evaluation of LLI in Denver Public Schools. (2013). Ransford-Kaldon, C. R., Ross, C. L., Lee, C. C., Sutton Flynt, E., Franceschini, L. A., & Zoblotsky, T. A.. Memphis, TN: Center for Research in Educational Policy.. https://ies.ed.gov/ncee/wwc/Study/85470

Effects of first-grade number knowledge tutoring with contrasting forms of practice . (2013). Fuchs, L. S., Geary, D. C., Compton, D. L., Fuchs, D., Schatschneider, C., Hamlett, C. L., DeSelms, J., Seethaler, P. M., Wilson, J., Craddock, C. F., Bryant, J. D., Luther, K., & Changas, P. . Journal of Educational Psychology, 105(1), 58–77. https://doi.org/10.1037/a0030127

Pearson Words Their Way: Word study in action: Intervention efficacy study final report . (2011). Eddy, R. M., Ruitman, H. T., Hankel, N., Matelski, M. H., & Schmalstig, M. . La Verne, CA: Cobblestone Applied Research

Implementation of effective intervention: An empirical study to evaluate the efficacy of fountas & pinnell’s leveled literacy intervention system . (2010). Ransford-Kaldon, C. R., Flynt, E. S., Ross, C. L., Franceschini, L., Zoblotsky, T., Huang, Y., & Gallagher, B.. Center for Research in Educational Policy (CREP). https://eric.ed.gov/?id=ED544374

Effectiveness of a supplemental early reading intervention scaled up in multiple schools. (2010). Denton, C. A., Nimon, K., Mathes, P. G., Swanson, E. A., Kethley, C., Kurz, T. B., & Shih, M.. The Meadows Center for Preventing Educational Risk. https://www.meadowscenter.org/library/resource/effectiveness-of-a-supplemental-…

The effects of strategic counting instruction, with and without deliberate practice, on number combination skill among students with mathematics difficulties. (2010). Fuchs, L. S., Powell, S. R., Seethaler, P. M., Cirino, P. T., Fletcher, J. M., Fuchs, D., & Hamlett, C. L.. Learning and Individual Differences, 20(2), 89–100. https://doi.org/10.1016/j.lindif.2009.09.003

Supplemental Fluency Intervention and Determinants of Reading Outcomes. (2009). Vadasy, P. F., & Sanders, E. A.. Scientific Studies of Reading, 13(5), 383–425. https://doi.org/10.1080/10888430903162894

Computer assisted instruction to prevent early reading difficulties in students at risk for dyslexia: Outcomes from two instructional approaches. (2009). Torgesen, J. K., Wagner, R. K., Rashotte, C. A., Herron, J., & Lindamood, P. . Annals of Dyslexia, 60(1), 40–56. https://doi.org/10.1007/s11881-009-0032-y