Uptake of children's swimming lessons: an experimental study on the role of parents and children

Last registered on February 05, 2025

Pre-Trial

Trial Information

General Information

Title
Uptake of children's swimming lessons: an experimental study on the role of parents and children
RCT ID
AEARCTR-0015247
Initial registration date
February 01, 2025

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
February 05, 2025, 8:49 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
University of East Anglia

Other Primary Investigator(s)

PI Affiliation
University of East Anglia
PI Affiliation
University of East Anglia

Additional Trial Information

Status
In development
Start date
2025-02-03
End date
2025-12-31
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
Parents are fundamental in shaping children’s development outcomes. They must often make critical decisions on their child’s behalf. Still, children themselves play an important role in influencing the outcomes of these decisions, particularly when their involvement in the decision process affords them some agency. In the case where the child has a degree of autonomy in the decision-making process, empirical evidence is still lacking on 1) what drives their choices 2) the extent to which their choices are affected by the parents themselves, and in light of this, 3) the impact their choices might have on their long-term development outcomes. To address this gap, we design two experiments conducted with a sample of 1248 children and their parents from coastal villages in the Zanzibar archipelago, off the eastern coast of Tanzania. One is a survey choice experiment with schoolchildren, and the other is a Randomised Control Trial with schoolchildren and their parents. The experimental design aims to provide novel insights into the child-parent decision-making process, with a specific focus on children’s human capital development.

External Link(s)

Registration Citation

Citation
D'Exelle, Ben, Bereket Kebede and Shanali Pethiyagoda. 2025. "Uptake of children's swimming lessons: an experimental study on the role of parents and children." AEA RCT Registry. February 05. https://doi.org/10.1257/rct.15247-1.0
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Experimental Details

Interventions

Intervention(s)
This RCT examines whether, and to what extent, a child's agency matters for the final outcome in a decision to pursue an opportunity to develop their human capital. To do so, we experimentally vary which parent the child must give a consent form to for a signature that permits them to participate in free swimming lessons (through clear instructions in the form): either the mother (``Mother-only form'') or the father (``Father-only form''). The treatments are randomly assigned at the household level, with one child per household offered the consent form. By experimentally varying the range of options available to the child, we obtain exogenous variation in children's agency.

On a sub-sample of students, prior to the RCT, we conduct a survey choice experiment (CE) centred on a child's autonomous decision to pursue an offer to build their aquatic survival skills through free swimming lessons. Specifically, the choice involves deciding which parent to approach for permission to begin swimming lessons. Their preference is captured through their choice between a consent form that must be signed off by the mother (``Mother-only form”) and one that must be signed off by the father (``Father-only form"). We randomise children into four treatments using a 2 X 2 factorial design. Treatments on the `Risk' dimension vary by the framing of swimming lessons as a neutral vs risky activity, and treatments along the `Conflict' dimension vary by whether or not children are made to consider the possibility of inter-parental conflict in decision-making around swimming lessons. In this way, we examine the role of children’s beliefs about parental preferences in shaping their autonomous decision on which parent to involve in the decision process around their human capital accumulation.
Intervention Start Date
2025-02-03
Intervention End Date
2025-12-31

Primary Outcomes

Primary Outcomes (end points)
Our main outcome variable of interest is a binary variable for whether or not the consent form is signed by the assigned parent and returned to the school. For the sub-sample of students who participate in the CE, we look at their form choice, whether it is the Mother-only or Father-only form.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
The RCT is conducted in three stages.

In the first stage, following an introductory welcome to the session, each child is interviewed individually by a trained same-gender enumerator. This includes questions on their socio-demographics, attitudes to swimming, household characteristics, beliefs about parental preferences for swimming, beliefs about parents' risk preferences, the nature of the relationship with their parents, perceptions of the intra-parental relationship, etc.

The second stage is a survey choice experiment, which only a sub-sample of children participate in. The child is asked to choose between two consent forms. The forms differ on the gender of the parent that needs to be given the consent form for signing. At the end of the choice experiment in the second stage, the child must answer some additional survey questions - these are used as buffer questions between the choice experiment and the RCT. After completion, the child proceeds to the third stage.

In the third stage, we begin the RCT. The child is now given a consent form that is randomly assigned to them. We give each child clear instructions about what they must do with the form when they go home i.e. that the form needs to be signed by one of the child's parents and brought back to their class teacher within 1 week. If the consent form is signed and returned on time, the child will have a chance to be selected for free swimming lessons. One week after the consent form is given to the child, we collect the forms that have been returned to the school. The forms are evaluated by a local swimming training outfit before a shortlist of students are contacted with a guaranteed place in a 2-week swimming training course.
Experimental Design Details
Not available
Randomization Method
We randomise schoolchildren into treatments through our survey instrument which is a an XLSform deployed through KoboToolbox. The form automatically assigns schoolchildren into treatments by their ID number.
Randomization Unit
We randomise treatments at the indivual level (schoolchildren), with one schoolchild per household.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
26 schools in the Zanzibar archipelago (Pemba and Unguja islands); 5 primary and 5 secondary in the island of Pemba, and 8 primary and 8 secondary in the island of Unguja.
Sample size: planned number of observations
Stage 2 - 832 schoolchildren. Stage 3 - 1248 schoolchildren, of which 416 schoolchildren skip Stage 2.
Sample size (or number of clusters) by treatment arms
Stage 2 - 832 schoolchildren -> 208 schoolchildren per treatment in four treatment arms.
Stage 3 - 1248 schoolchildren -> 624 schoolchildren per treatment in two treatment arms, of which 208 schoolchildren skip Stage 2.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials

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IRB

Institutional Review Boards (IRBs)

IRB Name
The Univesity of East Anglia's Global Development Research Ethics sub-Committee (DEV S-REC)
IRB Approval Date
2025-01-09
IRB Approval Number
ETH2425-0204
Analysis Plan

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