Effects of Streak-Based Versus Tally-Based Feedback on Daily Lesson Completion During a 30-Day Digital Health Challenge

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

7004 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-09-23

Study Completion Date

2026-01-21

Brief Summary

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The study will test two interventions for increasing engagement with a target behavior, delivered via a digital web application that participants can access using their phones or computers. For example, in the streak group, users would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak. In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally.

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Detailed Description

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The objective of this study is to determine whether tracking people's streak of behavior increases their engagement in that behavior. To test this, the investigators are designing a web application that participants can access daily using their phones or computers. Our previous work suggests that streaks may be useful in motivating people to be more productive. In this study, the investigators change how the investigators operationalize streaks and test streaks in a field context. Because most previous streak research is on how others perceive someone who has a streak, this work is novel because it examines how encouraging someone to achieve and keep a streak affects behavior in a field context. The study will test two interventions for increasing engagement with a target behavior, delivered via a digital web application that participants can access using their phones or computers. For example, in the streak group, users would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak. In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally. The investigators are interested in whether people complete more daily lessons when a 30-day health challenge app provides daily feedback on their consecutive lessons (each comprising two multiple-choice questions) completed (i.e., "streaks") vs. when it provides feedback on their cumulative lessons completed (i.e., "tallies").

Conditions

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Preventive Health Care

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Participants

Study Groups

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Streaks

In the streak group, participants would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak

Group Type EXPERIMENTAL

Interventions for increasing engagement with a target behavior

Intervention Type BEHAVIORAL

The study will test two interventions for increasing engagement with a target behavior, delivered via a digital web application that participants can access using their phones or computers. For example, in the streak group, participants would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak. In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally. The investigators are interested in whether people complete more daily lessons when a 30-day health challenge app provides daily feedback on their consecutive lessons (each comprising two multiple-choice questions) completed (i.e., "streaks") vs. when it provides feedback on their cumulative lessons completed (i.e., "tallies").

Tally

In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally.

Group Type EXPERIMENTAL

Interventions for increasing engagement with a target behavior

Intervention Type BEHAVIORAL

The study will test two interventions for increasing engagement with a target behavior, delivered via a digital web application that participants can access using their phones or computers. For example, in the streak group, participants would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak. In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally. The investigators are interested in whether people complete more daily lessons when a 30-day health challenge app provides daily feedback on their consecutive lessons (each comprising two multiple-choice questions) completed (i.e., "streaks") vs. when it provides feedback on their cumulative lessons completed (i.e., "tallies").

Interventions

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Interventions for increasing engagement with a target behavior

The study will test two interventions for increasing engagement with a target behavior, delivered via a digital web application that participants can access using their phones or computers. For example, in the streak group, participants would see how many consecutive days they have completed daily lessons and will be encouraged to extend their streak. In the tally group, participants will see how many cumulative days they have completed daily lessons and will be encouraged to extend their tally. The investigators are interested in whether people complete more daily lessons when a 30-day health challenge app provides daily feedback on their consecutive lessons (each comprising two multiple-choice questions) completed (i.e., "streaks") vs. when it provides feedback on their cumulative lessons completed (i.e., "tallies").

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Our target population is 18 and older adults in the United States who have a valid U.S. phone number and who are willing to make an account on our web application for use during the duration of the study.