A scalable approach to high-impact tutoring for young readers: Results of a randomized controlled trial

Last registered on January 23, 2023

Pre-Trial

Trial Information

General Information

Title
A scalable approach to high-impact tutoring for young readers: Results of a randomized controlled trial
RCT ID
AEARCTR-0010810
Initial registration date
January 20, 2023

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
January 23, 2023, 7:21 AM EST

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Locations

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Primary Investigator

Affiliation
Texas A&M University

Other Primary Investigator(s)

PI Affiliation
Stanford University

Additional Trial Information

Status
On going
Start date
2021-11-01
End date
2025-05-31
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
In this randomized control trial study, we will evaluate the effects of a form of tutoring that incorporates many of the characteristics of programs that have been found to be effective – a consistent tutor, high quality materials, and instruction delivered over an extended time period – but has shorter than typical durations for each session (approximately five to seven minutes) and adjusts the number of sessions per week depending on students’ tutoring needs.

This 1:1 tutoring program focuses on reading development for kindergarten children. The 1:1 tutoring program (hereafter referred to as the tutoring program) ran during the 2021-2022 academic year in elementary schools serving primarily students from low-income families in a school district in Florida.

This tutoring program is guided by Lev Vygotsky’s Theory of the Zone of Proximal Development. Vygotsky’s theory rests on the belief that learning should be matched in some manner with the child’s developmental level. Thus, this tutoring program identifies a child’s reading stage (1 through 5) and conducts one-on-one sessions to provide the targeted assistance (scaffolding) that the child needs to advance as a reader. This tutoring program works with struggling readers to develop mastery of letter names, sounds, and phonics.

The tutoring program aims for all kindergarten children to reach the reading readiness stage of development (i.e., stage 4) by the end of their kindergarten year. Stage 4 entails a child to know words that are made up of CVC words, a consonant, vowel and consonant sound (i.e., cat, hot, tip, man and hut are all CVC words), and also for the child to be able to identify 30 words by sight. Stage 4 is equivalent to Fountas and Pinnell’s Reading Level C.

The study design is a randomized control trial that compares the reading proficiency of kindergarten students that received the tutoring support to kindergarten students that did not receive this support. The effectiveness study involves 818 students enrolled in 49 kindergarten classrooms identified by the school district who agreed to participate. Within each classroom, students were randomly assigned to the treatment group (N=420 students) or control group (N=398 students).
External Link(s)

Registration Citation

Citation
Cortes, Kalena and Susanna Loeb. 2023. "A scalable approach to high-impact tutoring for young readers: Results of a randomized controlled trial ." AEA RCT Registry. January 23. https://doi.org/10.1257/rct.10810-1.0
Experimental Details

Interventions

Intervention(s)
The Intervention: In this randomized control trial (RCT) study, we will evaluate the effects of a form of tutoring that incorporates many of the characteristics of programs that have been found to be effective – a consistent tutor, high quality materials, and instruction delivered over an extended time period – but has shorter than typical durations for each session (approximately five to seven minutes) and adjusts the number of sessions per week depending on students’ tutoring needs.

This 1:1 tutoring program focuses on reading development for kindergarten children. The 1:1 tutoring program (hereafter referred to as the tutoring program) ran during the 2021-2022 academic year in elementary schools serving primarily students from low-income families in a school district in Florida.

This tutoring program is guided by Lev Vygotsky’s Theory of the Zone of Proximal Development. Vygotsky’s theory rests on the belief that learning should be matched in some manner with the child’s developmental level. Thus, this tutoring program identifies a child’s reading stage (1 through 5) and conducts one-on-one sessions to provide the targeted assistance (scaffolding) that the child needs to advance as a reader. This tutoring program works with struggling readers to develop mastery of letter names, sounds, and phonics.

The tutoring program aims for all kindergarten children to reach the reading readiness stage of development (i.e., stage 4) by the end of their kindergarten year. Stage 4 entails a child to know words that are made up of CVC words, a consonant, vowel and consonant sound (i.e., cat, hot, tip, man and hut are all CVC words), and also for the child to be able to identify 30 words by sight. Stage 4 is equivalent to Fountas and Pinnell’s Reading Level C.

The study design is a randomized control trial that compares the reading proficiency of kindergarten students that received the tutoring support to kindergarten students that did not receive this support. The effectiveness study involves 818 students enrolled in 49 kindergarten classrooms identified by the school district who agreed to participate. Within each classroom, students were randomly assigned to the treatment group (N=420 students) or control group (N=398 students).

Research Question: This RCT study aims to address the following research question: What is the effect of the 1:1 tutoring program on students’ reading development? Specifically, did treated kindergarten students reach stage 4 reading development at the end of kindergarten?

Randomization: To assign kindergarten students to one of the experimental conditions, we will employ a student-level randomized control trial design. Specifically, within each kindergarten classroom (N=49), we randomly assigned half of the students to the treatment group (received the tutoring support) and half of the students to the control group (no tutoring support). The total randomization sample consist of 818 students enrolled in kindergarten classrooms: 420 students in the treated group and 398 students in the control group.
Intervention Start Date
2021-11-01
Intervention End Date
2022-05-31

Primary Outcomes

Primary Outcomes (end points)
Kindergarten: end-of-year reading scores; Grea1-3: end-of-year reading scores.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
To assign kindergarten students to one of the experimental conditions, we will employ a student-level randomized control trial design. Specifically, within each kindergarten classroom (N=49), we randomly assigned half of the students to the treatment group (received the tutoring support) and half of the students to the control group (no tutoring support). The total randomization sample consist of 818 students enrolled in kindergarten classrooms: 420 students in the treated group and 398 students in the control group.
Experimental Design Details
Not available
Randomization Method
Computer randomization
Randomization Unit
Student-level randomized within each kindergarten classroom
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
818 students in AY 2021-22
Sample size: planned number of observations
818 students in AY 2021-22
Sample size (or number of clusters) by treatment arms
420 students in the treated group;
398 students in the control group.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB

Institutional Review Boards (IRBs)

IRB Name
Brown University
IRB Approval Date
2021-03-16
IRB Approval Number
2102002929
Analysis Plan

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