Rule · how often
Every day
Daily repetition.

Studies (20)
Paper
A tiny daily exercise goal added up to more exercise among those who stayedTestedHelpedThree minutes a day plus two short weekly sessions gave more exercise than two long ones, among those who stayed.
Randomised trial of 142 UK adults who exercised very little · vs two 30-minute sessions a week · they rated themselves · ⚠ only counted people who finished
Paper
Students who ranked tomorrow's six tasks each evening said they put things off lessUsedNo comparisonAfter two weeks of ranking the next day's six tasks each evening, students said they put things off less.
Small randomised trial of 30 Indonesian students active in student clubs · no comparison group · they rated themselves · ⚠ groups weren't properly compared; numbers unreliable; summary claims more than the results show
Paper
Texts to parents helped bedtime routines for children's teeth, but not twice-daily brushingUsedNo differenceThree short texts a week to parents didn't clearly get more children's teeth brushed twice a day than usual care.
Randomised trial of 154 parents of young children with tooth decay · vs parents who got usual dental care and advice · they rated themselves · ⚠ not yet checked by other scientists; numbers unreliable
Paper
Daily texts and prize draws didn't clearly help people take blood-pressure pillsUsedNo differenceDaily text reminders, on top of a plan to take pills after a set routine, didn't clearly help pill-taking.
Small randomised trial of 60 adults with high blood pressure in Los Angeles · vs usual care with the same leaflet and pill bottle · behaviour was recorded · ⚠ numbers unreliable; many people dropped out; summary claims more than the results show
UsedNo differenceDaily text reminders didn't clearly help people take their pills within an hour of their chosen routine.
Small randomised trial of 60 adults with high blood pressure in Los Angeles · vs usual care with the same leaflet and pill bottle · behaviour was recorded · ⚠ numbers unreliable; many people dropped out; summary claims more than the results show
Paper
Group habit meetings made daily brisk walks feel more automatic, still two years laterTestedHelpedGroup meetings on a daily brisk walk made walking feel more automatic than tip sheets did, still two years later.
Randomised trial of 618 adults with metabolic syndrome in the US · vs a Fitbit, monthly tip sheets and phone calls · they rated themselves
TestedNo differenceThe same programme made pausing before reacting feel no more automatic than a Fitbit and tip sheets did.
Randomised trial of 618 adults with metabolic syndrome in the US · vs a Fitbit, monthly tip sheets and phone calls · they rated themselves
Paper
A bedtime if-then plan made each night beat one made onceTestedHelpedMaking a fresh if-then bedtime plan each night got people to bed closer to their planned time than planning once.
Randomised trial of 297 UK adults who wanted to sleep better · vs the same plan made once at the week's start · they rated themselves
Paper
Unclear if group mindfulness helped students put off schoolwork less than doing nothingTestedNo differenceAfter eight weeks of group mindfulness, students put off schoolwork less, but it's unclear if that beat doing nothing.
Small randomised trial of 62 students at a university in China · vs students who kept their usual routines · they rated themselves · ⚠ numbers unreliable
Paper
Eight weeks of group mindfulness helped teens put off schoolwork lessTestedHelpedTeens in eight weekly group mindfulness sessions with home practice put off schoolwork less than those who got nothing.
Small randomised trial of 30 high-school students in Iran · vs students who got nothing · they rated themselves · ⚠ results look too good to be true; numbers unreliable
Paper
Ten weeks of group meditation left students no different from a waiting groupTestedNo differenceStudents who had ten weeks of group meditation ended up putting things off about as much as the waiting group.
Small randomised trial of 42 first-year university students in Spain · vs students who were still waiting for the course · they rated themselves · ⚠ only counted people who finished; summary claims more than the results show
Paper
Class lessons on food and cancer got more teens to eat fruit and vegetablesUsedHelpedAfter teachers gave lessons on how food links to cancer, more teens ate fruit and vegetables each day.
Large randomised trial of 1,096 teenage school students in India · vs schools that kept their normal lessons · they rated themselves · ⚠ whole groups were assigned, not people; numbers unreliable; many people dropped out
Paper
A glucose monitor didn't clearly help people keep to an 8-hour eating windowUsedNo comparisonSensor users kept to the 8-hour eating window on slightly more days than others, but this was never tested.
Very small randomised trial of 22 healthy adults in New Zealand · no comparison group · they rated themselves · ⚠ student thesis, not checked by other scientists; only counted people who finished; numbers unreliable; summary claims more than the results show; groups weren't properly compared
Paper
Ticking off daily pills in an app helped people finish treatment and get retestedUsedHelpedWith an app to tick off daily pills, 95 in 100 took most doses, against 79 with standard advice.
Randomised trial of 254 adults treated for a stomach infection in China · vs standard advice and two phone calls · behaviour was recorded
Paper
Health-worker visits and daily texts didn't help teens take their medicine moreTestedNo differenceHealth-worker visits on goals and cues plus daily texts didn't help teens take their medicine more than usual care.
Small randomised trial of 50 teens with sickle cell disease and their parents · vs teens who got their usual care · behaviour was recorded · ⚠ only a short summary available
Paper
Automatic daily feedback on study goals cut putting things off a littleUsedHelpedStudents who got daily feedback on their goals and planning tips put things off a bit less than diary-only students.
Randomised trial of 244 university students in Germany studying for exams · vs the same daily diary without feedback · they rated themselves · ⚠ numbers unreliable
UsedHelpedOn days after feedback on goal progress, students put things off slightly less, with or without strategy tips.
Randomised trial of 244 university students in Germany studying for exams · vs days without feedback · they rated themselves · ⚠ numbers unreliable
Paper
An automatic computer coach worked about as well as a human coach onlineUsedNo comparisonAfter 12 weeks of weekly online lessons and a daily diary, students said they put things off less. There was no untreated group to compare with.
Randomised trial of 233 German university students who put things off · no comparison group · they rated themselves · ⚠ many people dropped out
Paper
An online course on handling hard feelings helped students put things off lessTestedHelpedA 9-week online course on handling hard feelings helped students put things off less than the waiting group.
Randomised trial of 148 university students in Germany · vs students still waiting for the course · they rated themselves · ⚠ numbers unreliable
Paper
An online course on daily rhythms didn't make routines more regular than emailed readingTestedNo differenceAn online course with a daily log made routines no more regular than emailed reading on the same topics.
Small randomised trial of 47 adults with bipolar disorder · vs people who got emailed reading on the same topics · they rated themselves · ⚠ many people dropped out; numbers unreliable; summary claims more than the results show
Paper
A habit app for weight loss didn't clearly beat waitingUsedNo differencePlans, logs and daily reminders in an app did not clearly help people eat well more than waiting.
Small randomised trial of 81 overweight adults in the UK · vs people who waited for the app · they rated themselves · ⚠ many people dropped out; numbers unreliable; only counted people who finished; groups weren't properly compared
Paper
Two group talks and daily phone swipe practice helped people put things off lessTestedHelpedTwo group talks and two weeks of daily app practice helped people put things off less than waiting.
Small randomised trial of 31 young adults in Germany, mostly students · vs people who waited and only filled in questionnaires · they rated themselves · ⚠ only counted people who finished; numbers unreliable
Paper
Two weeks of daily practice with bad feelings helped adults put things off lessTestedHelpedTwo weeks of daily 10-minute practice in facing bad feelings about tasks helped people put things off less than waiting.
Small randomised trial of 83 working adults in Germany · vs people still waiting for the training · they rated themselves · ⚠ only counted people who finished; numbers unreliable
Often used with it






Action4
Learn how the problem worksPsychoeducation about procrastination, habits, sleep, routines or ADHD.