This project aims to learn if new kinds of digital single-session interventions (SSIs) for depression could be effective for American adults. Many existing SSIs are delivered in a simple text-based format. However, it might be that different kinds of SSIs (in terms of both content and style) also have potential for scalable impact. Specifically, this study will investigate the effectiveness of 11 innovative SSIs by comparing them to a passive control and to an existing SSI with established efficacy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
7,505
A behavioral activation SSI where users learn about negative thought spirals, give advice to an imagined peer, then create an "action plan" of helpful activities to do in the near future. This is a shorter version of the original 15-minute Action Brings Change SSI.
A clinical psychologist explains a few ways to use mindful acceptance to deal with difficult thoughts and feelings.
Users learn about moral elevation, then watch a touching video where a man does good deeds for people in his community (originally a Thai life insurance advertisement). Finally, they plan a positive action they can take to help others in their own life.
Northwestern University Medical Social Sciences
Chicago, Illinois, United States
Change in Patient Health Questionnaire-9 at week 4 (PHQ-9; Kroenke et al., 2001)
The Patient Health Questionnaire-9 is a validated and self-administered measure to assess depression symptom severity in the general population. Participants are asked to rate how often they are bothered by 9 items (e.g., Poor appetite or overeating) on a scale of 0 (Not at all) to 3 (Nearly every day). Total score can range from 0 to 27, with higher scores indicating higher symptom severity.
Time frame: Baseline to week 4
Change in Beck Hopelessness Scale at immediate post-intervention (BHS-4; Perczel Forintos et al., 2013)
Beck Hopelessness Scale-4 is the 4-item version of the 20-item Beck Hopelessness scale (Beck et al. 1974). Participants will be asked to rate 4 items assessing different aspects of hopelessness (e.g., My future seems dark to me) on a scale of 0 (Absolutely disagree) to 3 (Absolutely agree). Total score can range between 0 to 12 with higher scores indicating higher hopelessness.
Time frame: Baseline to immediate post-intervention
Change in Beck Hopelessness Scale at week 4 (BHS-4; Perczel Forintos et al., 2013)
Beck Hopelessness Scale-4 is the 4-item version of the 20-item Beck Hopelessness scale (Beck et al. 1974). Participants will be asked to rate 4 items assessing different aspects of hopelessness (e.g., My future seems dark to me) on a scale of 0 (Absolutely disagree) to 3 (Absolutely agree). Total score can range between 0 to 12 with higher scores indicating higher hopelessness.
Time frame: Baseline to week 4
Change in Pathways Subscale of the State Hope Scale at immediate post-intervention (Snyder et al., 1996)
The "pathways" subscale reflects perceived success in meeting one's goals (eg, "At this time, I am meeting the goals I have set for myself"). Immediately pre- and post-intervention, participants rate each of 3 statements to reflect how they felt about themselves right now on an 8-point Likert scale.
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A series of videos teach mindfulness skills: how to release thoughts and re-evaluate negative interpretations.
A clinical psychologist and science communicator describes his top 5 one-minute habits to beat depression.
An interactive SSI where participants learn how to reframe negative thoughts
Participants describe a negative thought they struggle with and an LLM helps them to consider a story in which a peer overcomes that thought.
An interactive journey to reconnect and heal one's inner child through breathing exercises, positive affirmations, and supportive animal companions.
An SSI introducing savoring strategies to improve mood.
Identifies the kinds of depression one struggles most with and offers a personalized recommendation for future depression support options
Presents videos from dialectical behavioral therapy on various ways to control negative emotions.
An 8-10 minute educational program with information and interactive exercises about trout fish. Intended to capture one's attention and require some effort, while minimizing influence on depressive symptoms.
An audio-only program in which users are guided to reflect on how they might challenge negative automatic thoughts and beliefs they struggle with.
Time frame: Baseline to immediate post-intervention
Change in Pathways Subscale of the State Hope Scale at week 4 (Snyder et al., 1996)
The "pathways" subscale reflects perceived success in meeting one's goals (eg, "At this time, I am meeting the goals I have set for myself"). Immediately pre- and post-intervention, participants rate each of 3 statements to reflect how they felt about themselves right now on an 8-point Likert scale.
Time frame: Baseline to week 4
Change in Readiness for Change at immediate post-intervention
To evaluate readiness for change at pre-test, post-test, and follow-up, participants will be asked two questions regarding making changes to reduce their feelings of depression: 1. "How important is making changes toward overcoming depression to you right now?" (1-4, Not at all- Extremely important) and 2. "How confident are you about making changes toward overcoming depression?" (1-4, Not at all- Extremely confident).
Time frame: Baseline to immediate post-intervention
Change in Readiness for Change at week 4
To evaluate readiness for change at pre-test, post-test, and follow-up, participants will be asked two questions regarding making changes to reduce their feelings of depression: 1. "How important is making changes toward overcoming depression to you right now?" (1-4, Not at all- Extremely important) and 2. "How confident are you about making changes toward overcoming depression?" (1-4, Not at all- Extremely confident).
Time frame: Baseline to week 4
Change in Depression Expectancies for Change at immediate post-intervention (Eddington et al., 2014)
To evaluate how much people expect to be able to change their symptoms of depression, participants will respond to the three items with the highest item-total correlation from the Depression Expectancies for Change scale (Eddington et al., 2014). These are rated on a 5-point likert scale from 1 (strongly disagree) to 5 (strongly agree). Items 1 and 2 are reverse-coded.
Time frame: Baseline to immediate post-intervention
Change in Depression Expectancies for Change at week 4 (Eddington et al., 2014)
To evaluate how much people expect to be able to change their symptoms of depression, participants will be asked to respond to three items with the highest item-total correlation from the Depression Expectancies for Change scale (Eddington et al., 2014). These are rated on a 5-point likert scale from 1 (strongly disagree) to 5 (strongly agree). Items 1 and 2 are reverse-coded.
Time frame: Baseline to week 4
Change in Frequency of Actions and Thoughts Scale at immediate post-intervention (FATS; Terides et al., 2016).
A 12-item measure of adaptive thoughts and behaviors, improvement in which might be a target of psychotherapy. Range 0-48 with higher scores indicating greater frequency of adaptive thoughts and behaviors.
Time frame: Baseline to immediate post-intervention
Change in Frequency of Actions and Thoughts Scale at week 4 (FATS; Terides et al., 2016).
A 12-item measure of adaptive thoughts and behaviors, improvement in which might be a target of psychotherapy. Range 0-48 with higher scores indicating greater frequency of adaptive thoughts and behaviors.
Time frame: Baseline to week 4
Credibility and Expectancy Questionnaire at immediate post-intervention (CEQ; Devilly & Borkovec; 2000)
A 6-item measure of user-perceived intervention appeal and efficacy. Range 6-54 with higher scores indicating higher user-perceived intervention appeal and efficacy.
Time frame: immediate post-intervention
Insight Experience at immediate post-intervention
Participants will be asked two questions about users' insight experiences, with the following text: The next question will ask if you experienced an "Aha! Moment". You can think of this experience as a miniature 'Eureka moment'. You might even feel an internal sense of "Aha!," or you might think to yourself, "of course!," "that was so obvious". Not experiencing an Aha! moment might feel like nothing much at all. 1. Did something in the program make you experience an Aha! Moment? (No 0 / Yes 1) 2. How significant did you feel this Aha! Moment was? In other words, how much do you feel it will have a lasting impact on you? 1 (not at all significant) - 5 (very significant)
Time frame: immediate post-intervention
Insight Experience at week four
Participants will be asked three questions about whether they had an insight experience during the SSI, with the following text: The next question will ask if you experienced an "Aha! Moment". You can think of this experience as a miniature 'Eureka moment'. You might even feel an internal sense of "Aha!," or you might think to yourself, "of course!," "that was so obvious". Not experiencing an Aha! moment might feel like nothing much at all. 1. Did something in the program make you experience an Aha! Moment \*that you still remember today\*? (No 0 / Yes 1) 2. How significant did you feel this Aha! Moment was? In other words, how much do you feel it will have a lasting impact on you? 1 (not at all significant) - 5 (very significant) 3. How much has the Aha! Moment you experienced changed the way that you think or act? 1 (not at all) - 5 (a great deal)
Time frame: week 4
Star rating at immediate post-intervention
Participants rate the overall quality of the program they completed from 1-5 stars, with 5 being the best. (5 stars to fill in, discrete 1-5)
Time frame: immediate post-intervention
Star rating at week 4
Participants rate the overall quality of the program they completed from 1-5 stars, with 5 being the best. (5 stars to fill in, discrete 1-5)
Time frame: week 4