If you’ve been anywhere near the productivity side of the internet in the last few years, you’ve heard the motivation vs discipline speech. It goes like this: motivation fades. It’s a feeling, feelings are fleeting, and if you wait for motivation to show up you’ll be waiting a while, so discipline is what gets you out of bed anyway. It usually gets shortened to “discipline beats motivation”, and it usually comes with a 5am alarm, a cold shower, a pump-up podcast, a second podcast, and a man standing next to a tub of ice telling you that comfort is the enemy, the 5am run is non-negotiable, and the right mindset will help you become unstoppable. This post is about willpower in general; if it’s one particular task you keep putting off, how to stop procrastinating is the longer read.
And honestly? That sounded right to me. Think of the most disciplined person you know, the friend who runs before work, or the one who eats ONE cookie and puts the lid back on the jar. The picture most of us have is that they feel the same pull toward the warm bed that we do, and they beat it every morning with some inner discipline muscle the rest of us were apparently out sick for on the day it was handed out.
But did anyone check what’s going on with people like that friend? Well, a few researchers did, and what they found is a bit odd. People who score high on self-control tend to have stronger habits and to report fewer temptations, while still wanting the goal[1, 2, 3]. So that’s my argument for this post: neither one wins alone, and the people who look disciplined may not be winning a fight every morning. They may simply have less of a fight. (Which is a much worse slogan for a gym tank top, I know.)
Now, a warning before we go on. Most of this comes from surveys, many of them of students (psychology knows a lot about college students), so it shows what goes together rather than what causes what[1, 2, 4]. Still, it points away from gritted teeth, and I wanted to know what’s there in their place.
Rise and grind, they said: The everyday definition of motivation vs discipline (or discipline vs motivation, depending on who’s yelling)
In everyday talk the difference between motivation and discipline is simple enough: motivation is the wanting (the excitement on day one), and discipline is the doing it anyway. One blog puts the usual view like this: “Motivation is what gets you started. Discipline is what keeps you going”[8]. It’s a tidy line, the kind that ends up on a motivational poster at a fitness club, with the word “achievement” over a photo of someone running up stairs. A LinkedIn article, of all places, lands somewhere friendlier: “We need them both to get anywhere”[7].
So which is it? I wanted the study that settles it, with motivation in one corner and discipline in the other. And I couldn’t find one that tests the two against each other under those names (if you know of one, please send it my way, I’d love to be wrong). Turns out researchers don’t really use the words on the gym poster. The nearest thing they have to discipline is trait self-control, which is a person’s usual ability to steer their behavior and hold back impulses[4].
OK, but who decides whether you’re a high self-control person? A questionnaire does. You answer questions about yourself and it gives you a score[4]. So a lot of what follows is built on people rating their own self-control, and I’d keep that in the back of your mind. Motivation, meanwhile, turns up as intentions, which are decisions to act[9], and as doing something for reasons that feel like your own[10].
So nobody ran the fight for us, and we’re going to have to piece it together from studies of self-control, habits, temptation and wanting. The first piece is my favorite, because the people who found it weren’t expecting it either.
Task failed successfully: A review of a hundred self-control studies found the opposite of what it predicted
In 2012, a review of about a hundred studies predicted that self-control would matter more for controlled behavior, and then found it was most strongly linked to automatic behavior instead[4]. So they got their own prediction backwards (it happens to the best of us), and here’s how that went.
Let’s start with a simple prediction. If discipline is mostly effort, then people high in self-control should pull furthest ahead on the things that take the most effort, the deliberate stuff. The easy, automatic stuff shouldn’t need anyone to be special. Sounds reasonable, right?
It sounded reasonable to the researchers too. In 2012 a team led by de Ridder (with Baumeister among the co-authors, a name that’s about to come back holding radishes) pooled about a hundred studies of trait self-control[4]. Each of those studies had scored people on a self-control questionnaire and set that against some behavior. The team sorted the behaviors into two piles: controlled ones, and automatic ones, meaning things done without conscious control, such as smoking, drinking and habitual snacking[4]. And they put their guess in writing, which was that self-control would matter more for the controlled pile[4].
Aaand it came out the other way round. Self-control mattered most for the automatic pile[4]. “Surprisingly, the analyses clearly indicated the opposite conclusion,” they wrote[4]. Imagine pooling about a hundred studies and then having to type “surprisingly” about your own prediction. I respect it a lot, honestly.
So the trait we call discipline, or self-discipline, which researchers measure as self-control, was most strongly linked to the things people do without deciding to. I was surprised too.
But why would that be? Well, the authors’ reading was that people with good self-control may be “especially effective at forming and breaking habits”[4]. So on that reading, your disciplined friend isn’t wrestling the cookie jar every evening. They set up a routine a while back, and now it mostly runs without them having to think about it. That’s the authors’ idea, though, and the paper didn’t test it. They also offered a less exciting one: for behaviors that anyone can control easily, differences between people “might well be zero”[4].
Now, before I run off with the habits idea, there’s an older one I have to deal with, because it would explain the disciplined friend much more simply. It says willpower is a kind of fuel. And your friend just has a bigger tank.
They had us in the first half, not gonna lie: Does willpower run down like a battery?
Not much with the standard tasks, as far as the biggest tests can tell, though one recent test with a much harder task found a modest effect. And how we got there is a good story, because it starts with radishes.
In 1998, Baumeister and three colleagues had 67 introductory psychology students skip a meal[11]. Then some of them had to eat radishes while chocolates sat right there in view. Others got to eat the chocolates, and a third group ate nothing[11]. (I would love to know who looked at a room of hungry students and said “radishes”.) Afterward came puzzles that couldn’t be solved, and the thing being measured was how long each person kept trying. So: hungry, radished, and now handed a puzzle with no answer. Great day.
The radish group gave up after about 8 minutes on average. The chocolate group lasted about 19, and the people who ate nothing about 21[11] (so the radish eaters quit in less than half the time). The authors called this ego depletion, the idea that self-control runs down like a fuel tank[11, 12]. You spend some on not eating the chocolate, and there’s less left for the puzzle.
It’s a lovely experiment, and the idea feels true. Who hasn’t been good all day and then eaten half the kitchen at 9pm? I was fully on board.
But then came the big repeats, run in many labs at once, the first three of them registered in advance (which means the plan was written down before the data came in). The results are given as a number called d, where 0 means no difference.
In 2016, 23 labs and 2,141 people found 0.04, with a margin of error that includes zero[12]. In 2021, 36 labs and 3,531 people found 0.06, which was not statistically significant[13]. And that test was led by Kathleen Vohs, a co-author of Baumeister’s on other self-control work[13, 14], so this was hardly a team of strangers to the idea. Also in 2021, a 12-lab repeat with 1,775 people, led by J. Dang, found a small but real 0.10[25].
So that’s thousands of people in dozens of labs, and the answers were close to zero or small. Which is a lot of people to round up over some radishes.
Which is a lot of people to round up over some radishes.
But Dang wasn’t done. Back in 2016 he had argued that the first big repeat’s task was too weak[15, 16]. So in 2025 his team used a much longer and harder first task, 30 to 40 minutes of a demanding attention test (which honestly sounds worse than the radishes), in 14 samples with 2,078 people. This time they found 0.31 to 0.35[15]. Now, he was testing his own idea, and I’d keep that in mind when you weigh it.
Size of the depletion effect (d, where 0 means no difference)
So where does that leave the battery? The effect is close to zero with the standard tasks, and modest at best with much harder ones[12, 13, 15, 25]. In my opinion that’s a pretty shaky thing to hang your disciplined friend on. And either way, a battery can’t by itself explain de Ridder’s result, where self-control mattered most for the things done without conscious control. (The less exciting explanation, the “might well be zero” one, is still open[4].)
So a bigger tank doesn’t explain the friend with the cookie jar. Which means we have to go and look at what a disciplined day is like for people like that.
Wait, they’re not even fighting the cookie: What people with high self-control seem to do instead
The short version, if you’re in a hurry: in these studies, people with high self-control seem to feel fewer and weaker temptations and to lean on habits, more than they out-fight anything[1, 2]. So less of a training montage and more of an autopilot. But let’s take it in order.
First, how often does anyone need willpower in the first place? In 2012, researchers had 205 adults wear beepers for a week (yes, beepers) and report on their desires as they went[14]. And those desires turned out to be “frequent, variable in intensity, and largely unproblematic”[14], which is also how I’d like to be described in a reference letter. So part of what looks like discipline may be meeting fewer moments that need it (my reading, not theirs).
The study I keep coming back to went one step further. Milyavskaya and Inzlicht texted 159 first-year students at McGill University five times a day for a week[2]. Each text asked how strongly they wanted something that clashed with a goal, and whether they tried to resist it[2] (imagine your phone asking “so, tempted by anything?” five times a day). Then at the end of the term, the students rated how far they’d got on the goals they were trying to achieve[2].
So which students would you bet on? I’d have put my money on the ones who resisted hardest, because that’s the whole speech, isn’t it? In that version, you feel the pull, you fight it, you win, and that’s how you stay consistent.
Well, the students who generally felt those pulls less strongly were the ones who made more progress[2]. And how hard they said they tried to resist made no difference. So the fighting, the part the whole discipline speech is about, had nothing to do with who got further in this study[2]. The authors concluded that “the path to better self-regulation lies not in increasing self-control but in removing the temptations available in our environments”[2].
And how hard they said they tried to resist made no difference.
Now, I wouldn’t hang everything on it. It’s one study, the students rated their own progress, and some other trait could sit behind both the pulls and the progress[2]. And look at what was measured. The texts asked how strongly students felt pulled, not what was around them, so “removing the temptations” looks to me like the authors’ inference.
OK, but where would a weaker pull even come from? Habits seem to be part of the route. Galla and Duckworth followed 132 teenagers who went on five-day meditation retreats, and kept following them for three months afterward[1]. (Teenagers who spend part of their summer going away to meditate are maybe not your average teenagers, and the authors call them “a self-selected group”[1].) The ones with better self-control beforehand had stronger meditation habits three months after, and those habits accounted for part of the link between self-control and meeting their meditation goals[1]. So the authors proposed habits as one reason such people progress with “less effortful inhibition”[1], which is researcher for “less gritting of teeth”. But the studies were observational, so the researchers could only sit back and observe, nobody was assigned to anything, and the reverse direction (habits building self-control) also found support in most cases[1].
And motivation? Well, the wanting doesn’t drop out. A 2026 review found that part of the link between self-control and health behavior ran through attitudes, intentions and people’s sense that they could do it, and its authors call the support preliminary[3].
So the trail leads to habits and to whatever makes the pull weaker. And that leaves the practical question of what a habit is made of.
Changed schools, forgot to pack the habit: How to build discipline with routines and surroundings
If you want to build discipline, the studies here suggest starting with the setting more than with your willpower: repeat the behavior at the same point in your day, and move the tempting thing out of reach (the evidence for that second one is thinner, and it comes from studies of food, so technically nobody has tested your phone yet)[6, 19].
To researchers, a habit is an automatic tendency built by repeating a behavior in stable circumstances[1]. I’d have guessed the repeating was the half that counts. But the “stable circumstances” half mattered more than I expected. In a 2005 study, Wood, Tam and Witt looked at students who transferred to a new university. Their exercise, newspaper-reading and TV-watching habits (newspaper-reading, so yes, it was 2005) survived the move only when parts of the setting stayed the same, like still reading the paper with other people[18].
And how long does forming new habits take? In the best-known study of habit timing, the middle time to reach a plateau was 66 days, among the 39 volunteers whose results could be timed well, and it ranged from 18 to 254 days[19] (so anywhere from under three weeks to more than eight months, which is quite a range to plan around). A 2024 review found only four studies that timed habit formation, with middle values of 59 to 66 days[20]. I go through both in how long it takes to form a habit.
The detail I’d borrow from that 66-day study is a small one. People did their new behavior daily in the same setting, such as “after breakfast”[19]. Now, if you work nights, rotate shifts or have no two weeks alike, “after breakfast” may not mean much to you (which breakfast?). So here’s my suggestion, which is mine and hasn’t been tested: hook the habit to something that happens on every kind of day, like getting home or the first coffee (the internet calls this “stacking”). That gives you one small routine that holds still while the rest of the week moves.
Then there’s the room itself. And I’ll be honest, the main evidence I read on rearranging your surroundings is thinner: one paper that argues for it and a review of small food studies[5, 6].
The paper is by Duckworth, Gendler and Gross. They argue, from a model rather than an experiment, that self-control is often easiest before a temptation arrives, and that “we may underappreciate situational self-control for the same reason it is so effective”[5]. I read that as: if you put the cookies somewhere annoying and then forget about them, it doesn’t feel like you did anything, so nobody counts it as discipline. Not even you.
In the review, from 2019, food placed farther away was eaten less[6]. (Yes, somebody had to check.) But the evidence was rated low-certainty and every study was about food[6]. So putting your phone in another room is my extrapolation, with the McGill students as the nearest bridge[2, 6].
Think of something you’ve kept doing for months without much of a fight (brushing your teeth counts, and so does any chore you do on autopilot). I’d guess that was less about willpower and more about where it sits in your day.
All of this makes discipline sound a bit like arranging furniture. Which made me wonder whether you could lack motivation altogether and just move the couch.
Can you be disciplined without motivation?
Nothing I read answers this head on, because none of the studies measured how much drive people felt toward their goals on a particular day. But the nearest evidence suggests the wanting still does some of the work.
Take intentions. In a 2006 review of 47 experiments on intentions, Webb and Sheeran found that a change in what people meant to do produced a change in what they did only roughly half as big[9]. So deciding does move you, but a good part of the decision goes missing somewhere between the deciding and the doing. (An intention is a decision, though, not a feeling of drive, so it isn’t quite the “motivation” from the speech.)
Wanting a goal for your own reasons seems to help most alongside a plan. Koestner and colleagues looked at the weekend goals of 106 undergraduates at McGill (those students have filled in a lot of forms for us) and, in a second study, at New Year’s resolutions. Goals made the most progress when they reflected the person’s own values AND came with if-then plans for when and where to act; in the second study, plans alone gave no direct benefit[21]. If-then plans do help, but a 2025 review of 642 tests found the effect is small on average once you correct for the studies that never got published[22] (How to stop procrastinating on the one thing you keep putting off).
And then there’s exercise. A 2012 review of 66 studies found that valuing the activity tended to predict getting started, while enjoying it for its own sake (intrinsic motivation, specifically) was more predictive of still exercising over the long term[10]. So for exercise at least, liking the thing was more predictive of still exercising over the long term. (I’ll admit that’s the first finding in this post that I wanted to be true.)
Plot twist, it’s both: Motivation vs discipline is a tag team
So, back to the friend lacing up their running shoes before work. Here’s what I think is going on, and this part is me talking, not a study: discipline and motivation aren’t rivals, and people keep going on some of each.
Motivation and discipline overlap a lot more than the speech allows. Wanting shows up in what people choose and plan[9, 21]. Habits and fewer felt temptations show up in how the weeks go[1, 2]. No study tested that as one picture, so take it as my way of fitting the pieces together.
And if it’s roughly right, the usual advice is half right too. You can’t rely on motivation, sure, because nobody is going to feel motivated every single morning. But the people who consistently keep going, week after week, may not be out-muscling that feeling. They may have picked a goal that really does motivate them, tied it to a routine, and left themselves less to resist in the long run. So if you struggle with this, a missing muscle is not the only explanation on the table.
Today’s workout is carrying your phone to another room: One thing to move today
Pick the one thing that most often beats the plan you keep making, and put it out of easy reach today. Charge the phone in another room, or move the snacks to a high shelf. Set aside two minutes for it (it’s not much of a life hack, I know). And if even that feels like too much, turn the phone face down across the room[2, 6].
A fuller version adds a sentence on why you want the goal, an if-then sentence tied to something already in your day, and a printable tracker that forgives a missed day (paper, not an app)[10, 19, 21]. Even the fastest of the 39 volunteers in the 66-day study took 18 days to reach a plateau, so expect a start, not a finished habit, in the first two weeks[19].
As for that friend with the cookie jar, they may never have been winning a fight that you keep losing. They might just keep the jar somewhere annoying. You could ask them. (And if the answer is “oh, I just don’t really like cookies”, I’m sorry, the research can’t help either of us with that.) And if the question is whether hard jobs should come first thing in the morning, that’s eat the frog. If the thing you can’t seem to start is one particular job, the long essay on how to stop procrastinating is where I’d go next.
If low drive has lasted for weeks and spread across most of your life rather than one task, please raise it with a doctor or therapist; this piece on having no motivation covers that side.
A few more to read next:
- How to stop procrastinating, the long essay
- How long does it take to form a habit?
- Eat the frog: should you do the hardest task first?
- A printable habit tracker with no streak to lose
The radish-free version: Quick answers about motivation vs discipline
What keeps you going when you don’t feel like it?
Probably some of each, and a lot less of a fight than the internet makes it sound. In the studies here, people who score high on self-control tend to have stronger habits and report fewer temptations[1, 2, 3]. So when motivation runs low and it becomes difficult, what keeps them going may be a routine that’s already in place, more than some heroic act of will at 5am. Most of that comes from surveys, though, so it shows what goes together and not what causes what[1, 2, 4].
How can you build discipline and use it to form lasting habits?
The studies here suggest working on the setting more than on your willpower. In the best-known study of forming new habits, people did the behavior daily in the same setting, and the middle time to reach a plateau was 66 days, with a range of 18 to 254[19]. So if you want to copy them, it’s consistent work in one spot, and two weeks is too early to judge (sorry, I know). Moving the tempting thing farther away may help too, though that evidence is thin and all about food[6].
When is motivation useful, and how can it work with discipline?
Wanting a goal for your own reasons seems to help most when it comes with a plan. In one pair of studies, goals made the most progress when they reflected the person’s own values and came with if-then plans for when and where to act[21]. And for exercise, the motivation to get started and the kind that lasts looked different: valuing the activity tended to predict starting, while enjoying it was more predictive of still exercising over the long term[10]. So to me, motivation alone isn’t the whole equation, but it’s still in it.
How can discipline and motivation help you achieve success?
Self-control does seem to go with achieving goals, though “achieving success” is a bigger promise than these studies make. In 1,000 children followed to age 32, childhood self-control predicted adult physical health, finances, substance dependence and criminal offending[24]. And among first-year students (159 began, 107 reported goal progress at the end of term), those who generally felt weaker temptations made more progress, while how hard they said they tried to resist made no difference[2]. So the importance of discipline shows up here, but these studies don’t show that pushing harder is what you need in order to achieve better results.
Is discipline a skill, a muscle or a habit?
Nobody in these sources tested the idea that discipline is a skill you train, and the tired-muscle picture has had a rough few years. The idea that self-control runs down with use came out close to zero in the largest tests with standard tasks, with a modest effect in one recent test that used a much harder task[12, 13, 15]. The authors of the 2012 review suggested that people with good self-control may be “especially effective at forming and breaking habits”, but the paper didn’t test that[4].
What are the 5 P’s of motivation and the 5 C’s of discipline?
I don’t know, and I’d rather say so than make up five words that start with P. Both lists turn up as questions people search, but I haven’t tracked down where they come from, and none of the studies in this post uses either one. The researchers here stick to less catchy terms: trait self-control, intentions, and doing something for reasons that feel like your own[4, 9, 10]. So if a list like that helps you continue to progress, use it. I just can’t tell you a study stands behind it.
The numbers, if you want them
- The 2012 review: 102 studies, 32,648 people. The link was small to medium; on the main questionnaire it averaged .26 across 50 studies, 43 of them one-time snapshots, and “automatic” covers bad habits as much as good ones[4].
- Ego depletion: radish eaters quit at 8.35 minutes, against 18.90 (chocolate) and 20.86 (nothing)[11] (I’d like to thank the radish group for their service). The 36-lab data were “4 times more likely under the null”, meaning four times more likely if there were no effect than if the predicted effect were real[13]. Dropping possibly random answers raised the 12-lab effect to 0.16[25].
- The McGill students: the pattern held between people, not within a person over time, and 107 of the 159 answered at the end of term. Bayesian tests strongly favored “no effect” for trying to resist[2]. I found no direct repeat.
- Habits: six nonexperimental studies, 2,274 people, correlations of about .20 to .40, explaining only 4% to 16% of the differences[1]. Three small surveys found effortful self-control changed how much habit mattered for bootcamp attendance but not flossing; they share authors with the 2026 review, which also found a direct link left over[3, 17].
- Food: 12 studies, 1,098 people, a drop of about 0.6 of the usual spread. Of the review’s 24 studies, 20 raised bias concerns, and the effect was greater where the risk of bias was high[6].
- Intentions: d = 0.66 for intentions, 0.36 for behavior, before today’s bias corrections, so the second may be generous[9].
- Wanting: most of the 66 exercise studies were observational, and co-author Ryan helped found the theory tested[10, 23]. In 1,000 children followed to age 32, childhood self-control predicted adult physical health, finances, substance dependence and criminal offending[24].
- How I read: full text for[1],[2],[4],[16] and[22], parts of[21], summaries for the rest, so a full paper may carry caveats I didn’t see. I searched Europe PMC (which includes PubMed) in October 2026 for a test of “motivation” against “discipline” and found none, and a web search found only small surveys that use both words without testing that. No paper below had a retraction notice when I checked.
Sources
- Galla, B. M., & Duckworth, A. L. (2015). More than resisting temptation: Beneficial habits mediate the relationship between self-control and positive life outcomes. Journal of Personality and Social Psychology, 109(3), 508-525. https://doi.org/10.1037/pspp0000026
- Milyavskaya, M., & Inzlicht, M. (2017). What’s so great about self-control? Examining the importance of effortful self-control and temptation in predicting real-life depletion and goal attainment. Social Psychological and Personality Science, 8(6), 603-611. https://doi.org/10.1177/1948550616679237
- Hagger, M. S., Sas, S., Balla, J., et al. (2026). Trait self-control and health behavior: Meta-analysis and test of a mediational model. Health Psychology, 45(7), 713-735. https://doi.org/10.1037/hea0001588
- de Ridder, D. T. D., Lensvelt-Mulders, G., Finkenauer, C., Stok, F. M., & Baumeister, R. F. (2012). Taking stock of self-control: A meta-analysis of how trait self-control relates to a wide range of behaviors. Personality and Social Psychology Review, 16(1), 76-99. https://doi.org/10.1177/1088868311418749
- Duckworth, A. L., Gendler, T. S., & Gross, J. J. (2016). Situational strategies for self-control. Perspectives on Psychological Science, 11(1), 35-55. https://doi.org/10.1177/1745691615623247
- Hollands, G. J., Carter, P., Anwer, S., et al. (2019). Altering the availability or proximity of food, alcohol, and tobacco products to change their selection and consumption. Cochrane Database of Systematic Reviews, 2019(9), CD012573. https://doi.org/10.1002/14651858.CD012573.pub3
- A LinkedIn article, “Discipline vs. Motivation” (published 18 April 2024). https://www.linkedin.com/pulse/discipline-vs-motivation-ilaria-montagnani-plcte
- A self-improvement blog post, “Motivation vs. Discipline: Which Helps You Go Further?” (last updated 19 September 2024). https://durmonski.com/self-improvement/motivation-vs-discipline/
- Webb, T. L., & Sheeran, P. (2006). Does changing behavioral intentions engender behavior change? A meta-analysis of the experimental evidence. Psychological Bulletin, 132(2), 249-268. https://doi.org/10.1037/0033-2909.132.2.249
- Teixeira, P. J., Carraça, E. V., Markland, D., Silva, M. N., & Ryan, R. M. (2012). Exercise, physical activity, and self-determination theory: A systematic review. International Journal of Behavioral Nutrition and Physical Activity, 9, 78. https://doi.org/10.1186/1479-5868-9-78
- Baumeister, R. F., Bratslavsky, E., Muraven, M., & Tice, D. M. (1998). Ego depletion: Is the active self a limited resource? Journal of Personality and Social Psychology, 74(5), 1252-1265. https://doi.org/10.1037/0022-3514.74.5.1252
- Hagger, M. S., Chatzisarantis, N. L. D., Alberts, H., et al. (2016). A multilab preregistered replication of the ego-depletion effect. Perspectives on Psychological Science, 11(4), 546-573. https://doi.org/10.1177/1745691616652873
- Vohs, K. D., Schmeichel, B. J., Lohmann, S., et al. (2021). A multisite preregistered paradigmatic test of the ego-depletion effect. Psychological Science, 32(10), 1566-1581. https://doi.org/10.1177/0956797621989733
- Hofmann, W., Baumeister, R. F., Förster, G., & Vohs, K. D. (2012). Everyday temptations: An experience sampling study of desire, conflict, and self-control. Journal of Personality and Social Psychology, 102(6), 1318-1335. https://doi.org/10.1037/a0026545
- Dang, J., Xiao, S., Mao, L., et al. (2025). Revisiting ego depletion: Evidence from multi-lab collaborations. Journal of Pacific Rim Psychology, 19. https://doi.org/10.1177/18344909251386084
- Dang, J. (2016). Commentary: A multilab preregistered replication of the ego-depletion effect. Frontiers in Psychology, 7, 1155. https://doi.org/10.3389/fpsyg.2016.01155
- Phipps, D. J., Hagger, M. S., & Hamilton, K. (2025). Evidence inhibitory self-control moderates effects of habit on complex but not simple health behaviors. Applied Psychology: Health and Well-Being, 17, e12642. https://doi.org/10.1111/aphw.12642
- Wood, W., Tam, L., & Witt, M. G. (2005). Changing circumstances, disrupting habits. Journal of Personality and Social Psychology, 88(6), 918-933. https://doi.org/10.1037/0022-3514.88.6.918
- Lally, P., van Jaarsveld, C. H. M., Potts, H. W. W., & Wardle, J. (2010). How are habits formed: Modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998-1009. https://doi.org/10.1002/ejsp.674
- Singh, B., Murphy, A., Maher, C., & Smith, A. E. (2024). Time to form a habit: A systematic review and meta-analysis of health behaviour habit formation and its determinants. Healthcare, 12(23), 2488. https://doi.org/10.3390/healthcare12232488
- Koestner, R., Lekes, N., Powers, T. A., & Chicoine, E. (2002). Attaining personal goals: Self-concordance plus implementation intentions equals success. Journal of Personality and Social Psychology, 83(1), 231-244. https://doi.org/10.1037/0022-3514.83.1.231
- Sheeran, P., Listrom, O., & Gollwitzer, P. M. (2025). The when and how of planning: Meta-analysis of the scope and components of implementation intentions in 642 tests. European Review of Social Psychology, 36(1), 162-194. https://doi.org/10.1080/10463283.2024.2334563
- Knispel, S. (2017, 14 June). What really motivates us. University of Rochester Newscenter. https://www.rochester.edu/newscenter/really-motivates-us/
- Moffitt, T. E., Arseneault, L., Belsky, D., et al. (2011). A gradient of childhood self-control predicts health, wealth, and public safety. Proceedings of the National Academy of Sciences, 108(7), 2693-2698. https://doi.org/10.1073/pnas.1010076108
- Dang, J., Barker, P., Baumert, A., et al. (2021). A multilab replication of the ego depletion effect. Social Psychological and Personality Science, 12(1), 14-24. https://doi.org/10.1177/1948550619887702
