Supporting teachers through targeted in-person visits and remote mentoring: evidence from TaRL in Cote d'Ivoire

Last registered on June 24, 2024


Trial Information

General Information

Supporting teachers through targeted in-person visits and remote mentoring: evidence from TaRL in Cote d'Ivoire
Initial registration date
June 04, 2024

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
June 24, 2024, 12:09 PM EDT

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


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Primary Investigator

University of Ghana

Other Primary Investigator(s)

Additional Trial Information

On going
Start date
End date
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Over the last three decades, many developing countries have made tremendous progress in primary school enrollment. However, students in those countries exhibit very low learning outcomes. In Cote d’Ivoire, more than half the students at the end of primary school lack basic reading and mathematics skills. Solutions to address this learning crisis, such as remedial programs with targeted instructions, exist, but support to teachers beyond their initial training to these programs is often neglected. In particular, we lack knowledge about effective ways to support teachers during the implementation of these solutions. The present research project aims to test innovative ways that government-appointed mentors can support teachers when implementing the Teaching at the Right Level approach, one approach that Cote d’Ivoire has adopted to address its ongoing learning crisis. Informed by insights from our previous qualitative studies, we are testing a novel mentoring approach based on targeting schools for mentor in-person visits with data and on remote mentoring.
External Link(s)

Registration Citation

Aflagah, Kodjo. 2024. "Supporting teachers through targeted in-person visits and remote mentoring: evidence from TaRL in Cote d'Ivoire." AEA RCT Registry. June 24.
Experimental Details


Pedagogical advisors, government-appointed mentors who oversee schools on pedagogical issues, including visiting and mentoring teachers, are trained on a new mentoring approach: using data to target which schools to prioritize for school visits, and mentoring teachers remotely, through phone calls and text messages.
Intervention Start Date
Intervention End Date

Primary Outcomes

Primary Outcomes (end points)
Student learning outcomes in mathematics and reading - based on ASER tests and author-made tests reflecting skills that students are supposed to have acquired by the end of grade 2.
Teacher proficiency in the Teaching at the Right Level methodology
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
Pedagogical advisors are teacher mentors appointed by the government and who oversee a number of schools. We randomized these pedagogical advisors into treatment (training on the new mentoring approach) and control (status quo). These pedagogical advisors are grouped into inspections. The randomization is done within inspection.
Experimental Design Details
Not available
Randomization Method
Randomization was done in office by computer by the researcher.
Randomization Unit
Pedagogical advisor
Was the treatment clustered?

Experiment Characteristics

Sample size: planned number of clusters
120 pedagogical advisors
Sample size: planned number of observations
5400 pupils 420 teachers 420 school directors 120 pedagogical advisors
Sample size (or number of clusters) by treatment arms
60 pedagogical advisors
210 school directors
210 teachers
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)

Institutional Review Boards (IRBs)

IRB Name
Ethics Committee for the Humanities - University of Ghana
IRB Approval Date
IRB Approval Number
ECH 253/ 23-24
IRB Name
Committee on the Use of Humans as Experimental Subjects - MIT
IRB Approval Date
IRB Approval Number