What SSI Duration is Most Effective? An Online Experiment With American Adults

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

1145 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-20

Study Completion Date

2024-05-22

Brief Summary

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In a previous study (https://osf.io/qdznc), the research team found that an 8-minute version of a single-session intervention for loneliness was more effective than a 23-minute version of it. The present work aims to further explore the relationship between intervention duration and effectiveness.

In this online trial, participants will be randomized to a 15-minute single-session depression intervention called the Action Brings Change (ABC) Program, a 10-minute version of it, a 6-minute version of it, or a 2-minute version of it. The main analysis will evaluate how change in depressive symptoms over eight weeks differs across conditions.

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Detailed Description

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Conditions

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Depression

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Participants will be assigned to one of four different conditions.

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Participants will be aware that they will be assigned to an intervention designed to help them with depressive symptoms. They will know that the study compares multiple interventions but will not know to which arm they have been assigned. Additionally, the measures will be self-administered, so there is no scope for evaluator bias. There will be no interaction between participants and investigators.

Study Groups

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15-minute single-session depression intervention

This is the adult version of the Action Brings Change (ABC) Project.

Group Type EXPERIMENTAL

Action Brings Change Project (15-minute adult version)

Intervention Type BEHAVIORAL

The ABC Project is a self-guided online single-session intervention based on principles of behavioral activation. In a slightly different form intended for adolescents, it has demonstrated efficacy in several studies. Its adult version has also shown some efficacy.

10-minute single-session depression intervention

This includes a shortened version of the ABC Project.

Group Type EXPERIMENTAL

Action Brings Change Project (10-minute adult version)

Intervention Type BEHAVIORAL

This is a 10-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

6-minute single-session depression intervention

This includes a shortened version of the ABC Project.

Group Type EXPERIMENTAL

Action Brings Change Project (6-minute adult version)

Intervention Type BEHAVIORAL

This is a 6-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

2-minute single-session depression intervention

This includes a shortened version of the ABC Project.

Group Type EXPERIMENTAL

Action Brings Change Project (2-minute adult version)

Intervention Type BEHAVIORAL

This is a 2-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

Interventions

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Action Brings Change Project (15-minute adult version)

The ABC Project is a self-guided online single-session intervention based on principles of behavioral activation. In a slightly different form intended for adolescents, it has demonstrated efficacy in several studies. Its adult version has also shown some efficacy.

Intervention Type BEHAVIORAL

Action Brings Change Project (10-minute adult version)

This is a 10-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

Intervention Type BEHAVIORAL

Action Brings Change Project (6-minute adult version)

This is a 6-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

Intervention Type BEHAVIORAL

Action Brings Change Project (2-minute adult version)

This is a 2-minute shortened version of the 15-minute adult version of the ABC Project. The research team created it and pilot-tested it.

Intervention Type BEHAVIORAL

Other Intervention Names

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ABC Project (15-min) ABC Project (10-min) ABC Project (6-min) ABC Project (2-min)

Eligibility Criteria

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Inclusion Criteria

* Located in the United States
* At least 18 years old
* Patient Health Questionnaire-8 (PHQ-8) score of at least 10 (moderate or more severe) at screener.
* Able to read and speak fluent English
* Able to access to the internet via a computer, tablet or smartphone for the next eight weeks

Exclusion Criteria

* Participants who have completed the first session of the study before or completed another study testing a depression intervention from our laboratory via the same participant recruitment platform in the past two months.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No