Cited by 41Mindfulness and Compassion InterventionsCOVID-19 and Mental HealthDigital Mental Health Interventions

In the shadow of COVID-19: A randomized controlled online ACT trial promoting adolescent psychological flexibility and self-compassion

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Lappalainen, Päivi, Lappalainen, Raimo, Keinonen, Katariina, Kaipainen, Kirsikka, Puolakanaho, Anne, Muotka, Joona, Kiuru, Noona·2023·Journal of Contextual Behavioral Science

Abstract

Although some adolescents managed to cope well with the challenges brought on by the COVID-19 pandemic, the well-being of many was adversely affected due to school closures, distance education, restrictions on gathering with friends, and limited access to mental health services. Many adolescents reported increased anxiety and depression as well as decreased psychological wellbeing due to the pandemic. Consequently, there is a need for psychological support that exceeds the strained resources available to schools to support young people during times of crisis and societal pressure. The present study aimed to explore the effects of an online-delivered ACT intervention to promote adolescent psychological flexibility and self-compassion and decrease psychological distress during the second wave of COVID-19 in the fall of 2020. A total of 348 adolescents aged 15–16 were randomly divided into three equal groups: 1) the iACT student coach + virtual coach group, n = 116; 2) the iACT virtual coach group, n = 116; and 3) the control group with no intervention, n = 116). Among these adolescents, 234 participated in a pre-measurement (iACT, n = 154; control, n = 80; intent-to-treat) and completed measures of psychological flexibility, self-compassion, anxiety, and depression. An investigation of all the adolescents who participated in the pre-measurement (intent-to-treat analysis, n = 234) revealed no significant differences between the three groups with regard to psychological flexibility, self-compassion, and symptoms of anxiety and depression. However, upon combining the two intervention groups and examining the adolescents who completed at least 30% of the Youth Compass program (per-protocol analysis, n = 137), small but significant differences between the iACT intervention and control groups were found regarding the psychological flexibility subscale valued action, self-compassion, and anxiety in favor of the intervention group. Active use of an ACT-based online intervention under adverse circumstances may decrease symptoms of anxiety and increase psychological flexibility skills in adolescents.

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Crossref · 10.1016/j.jcbs.2022.12.001

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  • In another study, iACT groups showed significant improvements compared to the control group regarding increased valued action and self-compassion.

    “The authors found significant improvements in the iACT groups compared to the control group regarding reduced anxiety and increased valued action and self-compassion [18].”

    From The Impact of Parental Support on Adherence to Therapist-Assisted Internet-Delivered Acceptance and Commitment Therapy in Primary Care for Adolescents With Anxiety: Naturalistic 12-Month Follow-Up Study (2025) · cites this paper as [18]

    The Results (Intervention effects) report significant differences in valued action and self-compassion versus the control group, but only in a per-protocol analysis that combined the two iACT groups and included adolescents who completed at least 30% of the program. The intention-to-treat analysis found no significant differences. The full citing sentence also says anxiety was reduced, whereas the Results report a smaller increase in anxiety in the iACT group, not a reduction. (LLM, conf=0.88)

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  • In another study, iACT groups showed significant improvements compared to the control group regarding reduced anxiety.

    “The authors found significant improvements in the iACT groups compared to the control group regarding reduced anxiety and increased valued action and self-compassion [18].”

    From The Impact of Parental Support on Adherence to Therapist-Assisted Internet-Delivered Acceptance and Commitment Therapy in Primary Care for Adolescents With Anxiety: Naturalistic 12-Month Follow-Up Study (2025) · cites this paper as [18]

    The Results (Intervention effects) report a significant between-group difference in anxiety only in the per-protocol analysis of adolescents who completed at least 30% of the program. Anxiety increased slightly in the iACT group, rather than decreasing, but increased more in the control group. The intent-to-treat analysis found no significant anxiety difference. (LLM, conf=0.90)

    Experimental — accuracy not yet measured
  • Youth Compass plus was effective in promoting self-compassion and psychological flexibility among a non-clinical school-based sample and in adolescents who used the intervention actively.

    “Our previous study has shown that Youth Compass plus was effective in promoting self-compassion and psychological flexibility among a non-clinical school-based sample and in adolescents who used the intervention actively (Lappalainen et al., 2023).”

    From Brief online ACT intervention to improve adolescents' well-being: Effectiveness among adolescents with depressive symptoms during COVID-19. (2024) · cites this paper as Lappalainen et al., 2023

    The Method (Recruitment; page unavailable) describes an unselected school-based adolescent sample. The Results (Intervention effects; page unavailable) report improved self-compassion and valued action, a psychological-flexibility subscale, among adolescents who completed at least 30% of Youth Compass. The claim overstates this as improvement in psychological flexibility generally: the Abstract (Results; page unavailable) reports no significant differences on psychological flexibility or self-compassion in the intent-to-treat analysis. (LLM, conf=0.86)

    Experimental — accuracy not yet measured

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2 of the 77 references couldn’t be matched to a known paper.

Research works printed but not linked: 3

  1. Cohen S. Williamson G. Perceived stress in a probability sample of the US Spacapam S. Oskamp S. The social psychology of health: Claremont Symposium on applied social psychology 1988
  2. Hayes S.C. Strosahl K.D. Wilson K.G. Acceptance and commitment therapy: The process and practice of mindful change 2nd ed. 2012 Guilford Press
  3. World Health Organization Guidelines on mental health promotive and preventive interventions for adolescents: Helping adolescents thrive 2020 https://www.who.int/docs/default-source/mental-health/guidelines-on-mental-health-promotive-and-preventive-interventions-for-adolescents-hat.pdf 33301276

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Authors
Lappalainen, P., Lappalainen, R., Keinonen, K., Kaipainen, K., Puolakanaho, A., Muotka, J., & Kiuru, N.
Affiliations
  • University of Jyväskylä (FI)
  • Tampere University (FI)
Corresponding author
Lappalainen, Päivi
Venue
Journal of Contextual Behavioral Science
Publisher
Elsevier BV
Published
2023-01
Volume
27
Pages
34-44
ISSN
2212-1447 (ISSN-L)
OpenAlex
W4311773126
Cited by
41
References
77
Citations by year
2026: 10 · 2025: 11 · 2024: 11 · 2023: 9
FWCI
7.08
Type
journal article
Language
en
Open access
Locations
  • Journal of Contextual Behavioral Science (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Jyväskylä University Digital Archive (University of Jyväskylä) (submittedVersion, cc-by)
  • Tampere University Institutional Repository (Tampere University) (submittedVersion, cc-by)
Funders
  • Academy of Finland (324,638)
  • Jyväskylän Yliopisto
Topics
  • Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
  • Social Sciences › Psychology › Clinical Psychology › COVID-19 and Mental Health
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
Keywords
ACT intervention, acceptance and commitment therapy, self-compassion, COVID-19 pandemic, anxiety, depression, psychological distress, school closures, valued action

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