ChinaREACH

Last registered on February 03, 2021
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Pre-Trial

Trial Information

General Information

Title
ChinaREACH
RCT ID
AEARCTR-0007119
Initial registration date
February 02, 2021

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 03, 2021, 10:03 AM EST

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

Locations

Country
China
Region

Primary Investigator

Name
Bei Liu
Affiliation
China Development Research Foundation
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Other Primary Investigator(s)

PI Name
Mai Lu
PI Affiliation
China Development Research Foundation
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PI Name
Jin Zhou
PI Affiliation
University of Chicago
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PI Name
James Heckman
PI Affiliation
University of Chicago
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Additional Trial Information

Status
Completed
Start date
2015-01-05
End date
2017-12-31
Keywords
Education
Additional Keywords
early childhood intervention
JEL code(s)
Secondary IDs
Abstract
The intervention tries to enhance the early childhood skill development, which targets children between 6 and 42 months old. The intervention provides the home visiting delivery model to each treated household for one hour every week. The intervention curriculum is based on the Jamaican Reach Up and Learn program.
External Link(s)

Registration Citation

Citation
Heckman, James et al. 2021. "ChinaREACH." AEA RCT Registry. February 03. https://doi.org/10.1257/rct.7119-1.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2015-09-01
Intervention End Date
2017-11-01

Primary Outcomes

Primary Outcomes (end points)
The program significantly improves the children multiple skill development.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We collect baseline information from all villages in Huachi county and calculate the Mahalanobis distance metric for all the 110 villages. Then we use nbp matching algorithm to pair 55 pairs of villages. For each pair, we randomly select one village in treatment group and one village in control group.
Experimental Design Details
Randomization Method
randomization done in office by a computer.
Randomization Unit
110 villages
Was the treatment clustered?
Yes

Experiment Characteristics

Sample size: planned number of clusters
110
Sample size: planned number of observations
1640
Sample size (or number of clusters) by treatment arms
55 villages treatment, 55 villages control
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
Study has received IRB approval. Details not available.
IRB Approval Date
Details not available
IRB Approval Number
Details not available
Analysis Plan

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials