have more than 5,000 couples gone through the online couple therapy program in randomized trials?
“Over 5,000 couples have gone through it as part of randomized clinical trials. So it's been supported by federal research for 15 years.”
a guest, a distinguished research professor of psychology at UCLA said on The Carlat Psychiatry Podcast, 2026-10-19, at 42:13. hear it in context →
the episode: Treating Couples: Integrative Behavioral Couple Therapy — Balancing Acceptance and Change Andrew Christensen, PhD (at 42:13). we link the show's own page; we do not re-host audio.
first, the part that holds
the program is real, it is an online adaptation of integrative behavioral couple therapy, it has been tested in several randomized trials, and those trials were paid for by federal grants from the national institute of child health and human development and the administration for children and families.
what we found when we went and looked
we read the published trials of the online program and added up their couples. the 2016 national trial randomized 300 couples, 151 to the program. the 2023 coach-support trial drew on 1,246 couples, and 516 of the 740 it analyzed were in program arms. a 2026 cost paper adds a 495-couple low-income trial. counting every arm, controls and the comparison program included, these come to roughly 2,000 to 2,300 couples, and the couples actually assigned to this program number around 1,000. we found no published source for "over 5,000". federal funding is documented, but we could not get grant start dates from the record, so the "15 years" stays unverified.
assertion by assertion
| assertion | verdict | what the record says |
|---|---|---|
| the program is an online adaptation of integrative behavioral couple therapy and has been tested in randomized clinical trials | confirmed | a 2023 trial report calls the program 'an online adaptation of integrative behavioral couple therapy' with 'five randomized trials to date demonstrating its effectiveness', and it was itself a sixth. [1][2] |
| over 5,000 couples have gone through the program as part of randomized clinical trials | overstated | the trials we read randomized 300 couples (2016), 1,246 (2023, including a comparison-program arm) and 495 (a low-income trial analyzed in a 2026 cost paper). that is about 2,000 couples across all arms, and even generously about 2,300 if you add the low-income trial's unread comparison arm. couples assigned to this program number roughly 1,000 (151 + about 248 + 516). waitlist couples may have been offered the program later, but that does not reach 5,000. unpublished or ongoing trials could add more, and we could not see them. [1][2][3] |
| the program has been supported by federal research funding | confirmed | the 2016 trial was funded by the national institute of child health and human development (R01HD059802). the 2023 trial and a 2020 low-income cohort were funded by the administration for children and families (grant 90FM0063, plus 90PD0309 for the 2020 cohort). [1][2][3][4] |
| that federal support has run for 15 years | unverifiable | the papers we read name the grants but not their award dates, and we could not load the nih grant database (reporter) from here. a 15-year span (about 2011 to 2026) fits a pre-2016 nih grant followed by acf grants, but we did not confirm it in a primary record. [1][2] |
| the trials are independent replications | misattributed | a 2026 protocol for a trial in denmark notes that 'all RCTs evaluating OR have been conducted by the program's developers... and exclusively in the USA'. that trial is paid for by a danish foundation, not by u.s. federal money. this is context, not something the speaker said. [5] |
both directions
for the speaker: the program's research base is large for an online couple intervention: at least three published randomized trials with 300, 495 and 1,246 couples. across all arms that is roughly 2,000 to 2,300 couples, so the speaker's sense of scale is not made up. the federal backing is documented in the funding notes of the papers themselves (an nih r01 and administration for children and families grants). the 2023 report describes the program as the most-researched online program for distressed relationships.
against: no published trial report we read, alone or summed, gets near 5,000 couples. even counting control couples and couples assigned to the comparison program, the total is less than half the claim. couples randomized to this specific program number about 1,000, and couples who completed it are fewer still, since some in each arm did not finish. "gone through it" suggests completion, which makes the gap wider. every trial so far has been run by the program's developers, and the first outside trial (denmark) is only now enrolling.
what this cannot say
pubmed abstract pages would not load in this session, so for the 742-couple low-income trial we did not read the primary report. we relied on the 2026 cost paper's 495-couple analysis of it, so our per-trial arm counts are approximate. the speaker may be counting unpublished trials, ongoing grant-funded cohorts, non-randomized program users, or waitlist couples who took the program later, and none of those show up in the published record. we could not get grant start dates, so the 15-year figure is neither confirmed nor refuted.
sources, each one fetched and read
- A randomized controlled trial of the web-based OurRelationship program: effects on relationship and individual functioning. Journal of Consulting and Clinical Psychology, 2016;84(4):285-96. PMC4804631 What we read there: 'Nationwide, 300 heterosexual couples (N = 600 participants) participated; couples were randomly assigned to begin the program immediately or to a two month waitlist control group' (151 program, 149 waitlist); supported by NICHD award R01HD059802. Fetched 2026-10-25 (HTTP 200). https://pmc.ncbi.nlm.nih.gov/articles/PMC4804631/
- A randomized controlled trial of the online OurRelationship program with varying levels of coach support. Internet Interventions, 2023. PMC10477807 What we read there: calls the program 'an online adaptation of Integrative Behavioral Couple Therapy' with 'five randomized trials to date'; parent design 'involving 1246 couples', of which 740 were analyzed (224 waitlist, 226 full-coach, 145 contingent-coach, 145 automated-coach) and the ePREP arm was excluded; funded by HHS Administration for Children and Families grant 90FM0063. Fetched 2026-10-25 (HTTP 200). https://pmc.ncbi.nlm.nih.gov/articles/PMC10477807/
- Economic costs and benefits of the digital OurRelationship program for distressed couples. Family Process, 2026;65(3). PMC13347763 What we read there: 'Study 1 involved 300 heterosexual couples (151 in the program and 149 in the control group)'; Study 2 involved 495 couples; funded by ACF grant 90FM0063 and NICHD R01HD059802. Fetched 2026-10-25 (HTTP 200). https://pmc.ncbi.nlm.nih.gov/articles/PMC13347763/
- Does coparenting improve during the OurRelationship program? Explorations within a low-income sample during the COVID-19 pandemic. PMC10694858 What we read there: pre-post study of 314 couples who took the program between February and August 2020, with no control group; funded by ACF grants 90FM0063 and 90PD0309. Fetched 2026-10-25 (HTTP 200). https://pmc.ncbi.nlm.nih.gov/articles/PMC10694858
- Self-help interventions for parenting couples experiencing conflict or relationship distress: study protocol for a randomized controlled trial, 2026. NCT07125118. PMC12888647 What we read there: 'all RCTs evaluating OR have been conducted by the program's developers, in comparison to other e-health options, and exclusively in the USA'; target 350 couples; funded by Trygfonden. Fetched 2026-10-25 (HTTP 200). https://pmc.ncbi.nlm.nih.gov/articles/PMC12888647/
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