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Peer Perceptions and Students' Investments in Schoolwork
Last registered on October 21, 2020

Pre-Trial

Trial Information
General Information
Title
Peer Perceptions and Students' Investments in Schoolwork
RCT ID
AEARCTR-0005514
Initial registration date
October 20, 2020
Last updated
October 21, 2020 8:36 AM EDT
Location(s)

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Primary Investigator
Affiliation
Norwegian School of Economics
Other Primary Investigator(s)
PI Affiliation
Norwegian School of Economics
Additional Trial Information
Status
In development
Start date
2020-10-21
End date
2023-12-31
Secondary IDs
Abstract
In this project, we will study through a randomized controlled experiment whether misperceptions about peers' investments in schoolwork play a role in explaining why some students -- mostly low achievers -- spend relatively little time on schoolwork.
External Link(s)
Registration Citation
Citation
Falch, Ranveig and Fanny Landaud. 2020. "Peer Perceptions and Students' Investments in Schoolwork." AEA RCT Registry. October 21. https://doi.org/10.1257/rct.5514-1.0.
Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2020-10-21
Intervention End Date
2021-10-31
Primary Outcomes
Primary Outcomes (end points)
At the end of our survey, participants are asked about how much time they plan to spend on homework during the following months until they complete 10th grade. This is the basis for the first primary outcome, 'Planned study time': midpoint value of the study time interval chosen by students. We will also use an alternative specification with a dummy variable indicating whether students report an intended study time equal or higher than the (baseline) median study time in their class.

In addition, at the end of the survey we will use a standard incentivized Becker-DeGroot-Marschak multiple price list procedure to elicit a truthful measure of students' willingness to pay for a text-messages coaching program aimed at helping them remember and achieve their schoolwork goal. This forms the basis for our primary behavioral outcome, 'Behavioral measure': Students willingness to pay for a motivational text-messages program.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
In this project, we will study through a randomized controlled experiment whether misperceptions about peers' investments in schoolwork play a role in explaining why some students -- mostly low achievers -- spend relatively little time on schoolwork.
Experimental Design Details
Not available
Randomization Method
The randomization will be at the class level and stratified within schools. For each school participating in the study, before the intervention, we will randomly select treated and control classes. For schools with an even number of volunteer classes, we will form strata of two classes based on the consent rate within each class. For schools with an odd number of volunteer classes, we will first randomly select which strata will be made of three classes, and then form one strata with three classes and remaining strata of two classes based on the consent rate within each class. For strata with two classes, half of the classes will be randomly selected for the treatment condition. For strata with three classes, we will first randomly select whether two or three classes will be assigned to the treatment condition. In a second step, classes will be assigned for the treatment condition on a random basis.
Randomization Unit
Classes.
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
50 classes.
Sample size: planned number of observations
About 900 students
Sample size (or number of clusters) by treatment arms
About 25 classes in the treatment group, and 25 classes in the control group.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
NHH Norwegian School of Economics Institutional Review Board
IRB Approval Date
2020-02-21
IRB Approval Number
1/20
IRB Name
NSD - Norwegian Centre for Research Data
IRB Approval Date
2020-01-07
IRB Approval Number
328704
Analysis Plan

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