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Blinding

Blinding

Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.

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International REACH forgiveness intervention: a multisite randomised controlled trial.

Man Yee Ho¹, Everett L Worthington², Richard G Cowden³

¹Shine Psychological Counseling Centre, Hong Kong, Hong Kong.

BMJ Public Health

|February 28, 2025

Summary

This summary is machine-generated.

A brief self-directed forgiveness workbook intervention effectively reduced unforgiveness, depression, and anxiety symptoms. This intervention shows potential for widespread mental health improvement globally.

Keywords:

Accidents Causality Preventive Medicine Public Health

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Area of Science:

Psychology
Mental Health
Intervention Studies

Background:

Mental health challenges like depression and anxiety are prevalent globally.
Interpersonal transgressions can significantly impact psychological well-being.
Accessible interventions are needed to address these issues.

Purpose of the Study:

To evaluate the efficacy of a brief, self-directed forgiveness workbook intervention.
To determine if the intervention impacts forgiveness, depression, and anxiety symptoms.

Main Methods:

A multisite randomized waitlist-controlled trial involving 4598 participants.
Participants were randomly assigned to immediate or delayed (2-week) workbook intervention.
Outcomes measured included unforgiveness, depression, and anxiety symptoms at 2-week follow-up.

Main Results:

The immediate intervention group showed significantly lower unforgiveness compared to the delayed group (SMD=-0.53).
Significant reductions in depression symptoms (SMD=-0.22) and anxiety symptoms (SMD=-0.21) were observed in the immediate group.
These positive effects were evident at the 2-week follow-up.

Conclusions:

A brief, self-directed forgiveness workbook intervention is effective in promoting forgiveness.
The intervention successfully reduced symptoms of depression and anxiety.
This approach holds promise for broad dissemination to enhance global mental health.