ACT-based EMI in College Students
ConditionHealthy Participants Study
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
AgeNot listed
SponsorThe Hong Kong Polytechnic University
About this trial
This study aims to evaluate the acceptability and effectiveness of a transdiagnostic, Acceptance and Commitment Therapy (ACT)-based ecological momentary intervention (EMI) among college students. A mixed-methods pilot randomized controlled trial (RCT) will be conducted to assess its impact on psychological flexibility, well-being and mental health outcomes.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Participants in our study are healthy college students
have smartphone, and have access to the internet
Disqualifiers
currently participating in another research
have significant cognitive impairment that prevents participation in the research
Trial design
Design model
Parallel
Treatments tested in this trial
ACT-based ecological momentary intervention
BehavioralThe intervention is based on Acceptance and Commitment Therapy (ACT) and includes the six core processes (being present, acceptance, defusion, self-as-content, values, and taking action). It is delivered in the form of an ecological momentary intervention (EMI), lasting for 7 days with two sessions per day. The intervention aims to enhance mental health, well-being, and psychological flexibility.
Mood monitoring
Other interventionParticipants do not receive any intervention. During the intervention period, they only need to complete ecological momentary assessments twice a day.
Treatment groups
60 Participants
are divided into 2 treatment groupsGroup A: Mood monitoring conditionPlacebo comparator 1 intervention
Group B: ACT-based EMI groupExperimental treatment 1 intervention
Trial outcomes
Primary outcomes
1
Overall mental health
Overall mental health will be measured using the 12-item General Health Questionnaire (GHQ-12). Each item is rated on a 4-point Likert scale, with total scores ranging from 0 to 36. Higher scores indicate greater mental health difficulty.
Time frame
Baseline (pre-intervention); Immediately after the intervention (1 week after baseline); 1-month follow-up (1 month after intervention)2
Psychological distress
Psychological distress will be measured using the 21-item Depression Anxiety Stress Scale. They ask about depressive symptoms, anxiety symptoms, and general stress symptoms. Each item is rated on a 4-point Likert scale from 0 (did not apply to me at all) to 3 (applied to me very much or most of the time). Higher scores indicate more psychological distress
Time frame
Baseline (pre-intervention); Immediately after the intervention (1 week after baseline); 1-month follow-up (1 month after intervention)3
Mental well-being
The 14-item Mental Health Continuum-Short Form (MHC-SF) will be used to measure mental well-being during the past month. This scale has 3 dimensions: emotional well-being (EWB), psychological well-being (PWB), and social well-being (SWB). Each item is rated on a 6-point scale from 0 (never) to 5 (every day), with a higher score indicating greater well-being.
Time frame
Baseline (pre-intervention); Immediately after the intervention (1 week after baseline); 1-month follow-up (1 month after intervention)4
Psychological flexibility and inflexibility
The multidimensional psychological flexibility inventory short form (MPFI-24) is a 24-item scale assessing psychological flexibility. The scale consists of a flexibility subscale and an inflexibility subscale, divided into 12 dimensions, with 2 entries for each dimension, a total of 24 entries, and scored at levels 1 (never true) to 6 (always true).
Time frame
Baseline (pre-intervention); Immediately after the intervention (1 week after baseline); 1-month follow-up (1 month after intervention)Secondary outcomes
1
State anxiety and depression
State anxiety and depression will be measured with the four-item Patient Health Questionnaire for Depression and Anxiety (PHQ-4). Responses are scored as 0 ("not at all"), 1 ("several days"), 2 ("more than half the days"), or 3 ("nearly every day"), with the total score on this composite measure ranging from 0 to 12.
Time frame
During the 7-day intervention period, measurements are conducted twice per day.2
State stress
State stress will be measured using a single item adapted from the Psychological Stress Measure (PSM-9). Participants will rate their state stress level on a sliding scale from 0 (not stressed at all) to 100 (very stressed), with higher scores indicating greater perceived stress.
Time frame
During the 7-day intervention period, measurements are conducted twice per day.3
State well-being
State well-being will be measured with one item inspired by the Well-Being Manifestations Measure Scale using a sliding scale ranging from 0 (not good at all) to 100 (very good).
Time frame
During the 7-day intervention period, measurements are conducted twice per day.4
State subjective happiness
State subjective happiness will be measured by the 2-item Subjective Happiness Scale with each item rated on a 7-point Likert scale from 1 (not a very happy person) to 7 (a very happy person).
Time frame
During the 7-day intervention period, measurements are conducted twice per day.Sponsors and contacts
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Source ClinicalTrials.gov
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