Impact of Different Online Learning Modes on Student Performance and Engagement

Last registered on April 16, 2024


Trial Information

General Information

Impact of Different Online Learning Modes on Student Performance and Engagement
Initial registration date
April 08, 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
April 16, 2024, 1:15 PM EDT

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



Primary Investigator


Other Primary Investigator(s)

PI Affiliation
Yale Law School

Additional Trial Information

In development
Start date
End date
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
In today’s educational landscape, students are exposed to online learning on a daily basis. This study aims to address the effectiveness of different online teaching modes on students' performance and engagement. To explore this question, we will work with students who voluntarily enroll in the course American Contract Law I taught by Professor Ian Ayres at Yale Law School, offered in Coursera.
External Link(s)

Registration Citation

Ayres, Ian and Ji Young Kim. 2024. "Impact of Different Online Learning Modes on Student Performance and Engagement." AEA RCT Registry. April 16.
Experimental Details


Intervention Start Date
Intervention End Date

Primary Outcomes

Primary Outcomes (end points)
Measure of performance:
• overall grade
• number of lessons passed

Measures of engagement:
• number of lessons completed
• whether the student completed their learning goal
• students’ discussion participation (by count or rate)
• students' feedback on the course
• students' rating on the course
• whether the student left a comment for course feedback
• the amount of time between the student's initial enrollment and when they completed the course (or stopped working on the course if not completed)
• whether the student upgraded to receive a paid certificate for the course
• whether the student achieved a badge in the course
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
This study will be conducted within the framework of Professor Ian Ayres’ course American Contract Law I offered by Coursera, and will attempt to assess the impact of various modes of teaching on learning and engagement.
Experimental Design Details
Randomization Method
Randomization done in office by a computer.
Randomization Unit
Individual student
Was the treatment clustered?

Experiment Characteristics

Sample size: planned number of clusters
Sample size: planned number of observations
At least 500 students
Sample size (or number of clusters) by treatment arms
At least 100 students per group
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)

Institutional Review Boards (IRBs)

IRB Name
Yale University Institutional Review Board
IRB Approval Date
IRB Approval Number


Post Trial Information

Study Withdrawal

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Is the intervention completed?
Data Collection Complete
Data Publication

Data Publication

Is public data available?

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials