Research paper · RP36

The Guidance Premium

Working adults do not fail digital wellbeing programmes because the techniques are weak. They fail them because the programme sits unopened, like a gym membership bought in January. This systematic review asked how much a human coach adds when the same digital programme is offered with and without guidance, in adults who are not a clinical sample. In the largest matched occupational trial, adding reminders and on-demand feedback raised full-module completion from 53 per cent to 72 per cent and did not change the stress score. Three further contemporaneous trials of the same idea in students and healthy adults found the same pattern on scores. A formal random-effects meta-analysis was not performed: the pre-specified minimum of five strictly matched trials was not met. Searches of PubMed, PsycINFO, Scopus, Web of Science, Google Scholar, CTRI, ClinicalTrials.gov and OSF preprints covered 2010 to September 2026. Eligible designs were randomised or controlled trials of non-clinical adults. The intervention was a guided digital programme. The comparator was an unguided version of the same or a closely similar programme. Primary outcomes were wellbeing, stress and adherence. Prior clinical reviews had put the guidance premium at about 0.17 to 0.27 of a standard deviation on symptoms. Those samples were more unwell. In occupational-stress and student samples the score gap shrinks toward zero. The remaining premium is behavioural: people finish more modules when a light-touch coach sends reminders and answers on demand. Coach qualification did not matter in earlier work. Minutes per week did, up to a point. Less than 15 minutes a week was enough. Certainty is low for scores and moderate for adherence. No Indian head-to-head trial was found. The next useful study is a WhatsApp-first, multilingual randomised comparison in Indian working adults, with completion as a co-primary outcome.