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CompletedNCT02570685Updated Mar 2, 2016

Psychosocial Benefits of Gratitude Journals

An interventional study of Reflective Interpersonal Gratitude and Reflective-Behavioral Gratitude in Happiness, sponsored by University of Limerick. Completed at 1 site in Ireland. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2016-03-02.

Sponsored by University of Limerick · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
192
Allocation
Randomized
Ages
18 Years and older
Sex
All
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Study summary

This randomized controlled study will examine the effects of different interpersonal gratitude journals compared to a neutral control journal on psycho social outcomes.

Read the detailed description

This randomized controlled study will examine the effect of a) a reflective interpersonal gratitude journal, and b) an reflective and behavioral interpersonal gratitude journal, versus (c) an active control journal, on life satisfaction and other secondary outcomes. Explanatory mechanisms will be tested utilizing the broaden-and-build theory of positive emotions. Participants will be randomly assigned to one of these three conditions with three week, one month and three month follow-up assessments.

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Conditions studied

  • Happiness

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Keywords

  • Gratitude Intervention
  • positive emotion
  • friendships
  • positive psychology
  • life satisfaction
03

In context

Personal Satisfaction

144 studies on the registry are indexed under Personal Satisfaction; 49 are open to participants now.

This study's enrollment of 192 is above the median of 91 across 120 interventional studies indexed under Personal Satisfaction.

Browse Personal Satisfaction studies →

Lead sponsor

University of Limerick is the lead sponsor of 60 studies on the registry; 9 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • English language proficiency

Exclusion criteria

Exclusion Criteria:

  • under the age of 18
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Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
192 participants (actual)

Study arms

  • Experimental
    Reflective Interpersonal Gratitude

    An interpersonal gratitude journal, designed to foster gratitude for one's existing social relationships, by writing and reflecting on people and positive daily encounters for which one is grateful.

    Behavioral: Reflective Interpersonal Gratitude

  • Experimental
    Reflective-Behavioral Gratitude

    An interpersonal gratitude journal, designed to foster gratitude for one's existing social relationships, by writing and reflecting on people and positive daily encounters for which one is grateful. In addition participants are asked to choose a friend express this gratitude to them at the end of each week.

    Behavioral: Reflective-Behavioral Gratitude

  • Active comparator
    Neutral Control Journal

    Write about and reflect on things that occurred over the course of the day.

    Behavioral: Neutral Control Journal

Interventions

  • BehavioralReflective Interpersonal Gratitude

    Participants were given the following instructions in their journal: Writing is a great way to reflect on your daily events, helping to look back and focus on the good things in our lives. There are many things in our lives, big and small, which we might be grateful for. For the next three weeks, 3 times a week (9 days in total), reflect back on your day and think of the people you met and interacted with and are grateful for. Please write down in the space provided a number of positive social interactions over the day or friendships/relationships you are grateful for…..

  • BehavioralReflective-Behavioral Gratitude

    Participants were given the following identical instructions as the reflective journal in addition to this "At the end of each week, express this gratitude to a friend of your choice face-to-face or through e-mail, facebook, a kind note, tell him/her how much you appreciate something specific that he/she does and reflect on how your friend's reaction and how you feel."

  • BehavioralNeutral Control Journal

    Writing is a great way to reflect on your daily events, helping to look back and reflect on our lives. For the next three weeks, 3 times a week (9 days in total), please write in the spaces provided things that happened during the day.

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What researchers measure

Primary outcomes

  1. Changes in Satisfaction With Life Scale (SWLS). Diener, E. D., Emmons, R. A., Larsen, R. J., & Griffin, S. (1985).

    Used to assess changes in life satisfaction levels over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

Secondary outcomes

  1. National Institute of Health Social Relationships Companionship Scale which assess Friendship Quality and Loneliness. Cyranowski, J. M., Zill, N., Bode, R., Butt, Z., Kelly, M. A., Pilkonis, P. A., & Cella, D. (2013).

    Used to assess changes in social relationships over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

  2. The Gratitude Questionnaire-Six Item Form (GQ-6) McCullough, M. E., Emmons, R. A., & Tsang, J. (2002).

    Used to assess changes in gratitude levels over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

Other outcomes

  1. The Expression of Gratitude in Relationships Scale. Lambert, N. M., Clarke, M. S., Durtschi, J. A., Fincham, F. D., & Graham, S. M. (2010).

    Used to assess changes in levels of gratitude expression over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

  2. The Four- item Relationship Satisfaction Scale. Funk, J. L., & Rogge, R. D. (2007).

    Used to assess changes in relationship satisfaction levels over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

  3. Depressive symptoms: CES-D 10 (Center for Epidemiologic Studies Depression Scale 10 item scale) Short Form. Andresen, E. M., Malmgren, J. A., Carter, W. B., & Patrick, D. L. (1994).

    Used to assess changes in depressive symptom levels over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,,1 month, 3 months

  4. Relationship closeness: Inclusion of other in the Self Scale Aron, A., Aron, E. N., & Smollan, D. (1992).

    Used to assess changes in relationship closeness over the course of the intervention and follow-ups.

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

  5. Scale of Positive and Negative Experiences , can use the Positive Feelings/affect subscale Diener, E., Wirtz, D., Tov, W., Kim-Prieto, C., Choi. D., Oishi, S., & Biswas-Diener, R. (2009).

    potential moderator

    Time frame: Baseline, immediate post-intervention at three weeks,1 month, 3 months

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Study locations

1 site
  • University of Limerick
    Limerick, Munster ROI, Ireland
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 2, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02570685
Lead sponsor
University of Limerick
Responsible party
Brenda O'Connell (Ms. Brenda O' Connell, B.A., University of Limerick) — Principal investigator
First posted
Oct 7, 2015
Start date
Oct 2015
Primary completion
Mar 2016
Completion
Mar 2016
Last update
Mar 2, 2016

Study contacts

Brenda O' Connell, B.A
principal investigator · University of Limerick
Stephen Gallagher, PhD
study director · University of Limerick
Deirdre O'Shea, PhD
study director · University of Limerick

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Mar 2016. You cannot join it, but the record below documents what was studied.

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