Eat the frog: what it means, what the research shows, and when to start with something else

It is 9:05 on a Monday. The task you have been dreading sits at the top of the list: the difficult email, the report you do not know how to begin, the budget you keep reopening and closing. The advice everyone repeats is simple. Eat the frog. Do the worst thing first and the rest of the day gets easier. So you open the file, stare at it, and twenty minutes later you have answered six small messages instead. Now you have not eaten the frog, and you feel worse about it than you did at 9:00.

"Eat the frog" means doing your most important and most avoided task first, before smaller jobs crowd it out. No study has tested the method by name, so the evidence is indirect. A six-year study of hospital emergency doctors found that when workload rose, they picked easier cases, which looked faster in the short run but was linked to worse complexity-adjusted output and slower learning. Lab studies show a strong pull to finish small steps early just to get them off your mind, a tendency researchers call pre-crastination. A large review of procrastination found that how unpleasant a task feels is one of the strongest predictors of putting it off. Research on time of day suggests the best slot for a hard task depends on when you are sharpest, which is not always first thing. The useful version of eat the frog is narrower than the slogan: decide the frog the night before, start it while you have the most capacity, and make the start small enough that you actually begin.

This guide explains where the phrase comes from, what the research on task order actually measured, why easy tasks are so tempting, when doing the frog first is a poor fit, and how to run a short test of your own.

What does "eat the frog" mean?

Eat the frog is a rule for ordering your day. The frog is the task that matters most and that you are most likely to avoid. The rule says to do it first, before email, small requests and tidying, because those jobs expand to fill the time you give them and the frog keeps slipping to tomorrow.

The phrase was popularised by Brian Tracy's 2001 book Eat That Frog!. The book opens with a line about eating a live frog first thing in the morning, which is often credited to Mark Twain. We could not find a verified source for that attribution in Twain's own writing, so treat it as folklore rather than a quotation.

Most versions of the method share three steps:

• Choose one frog. Pick the single task with the biggest consequence if it is done or not done.
• Do it before anything else. No inbox first, no "quick" admin.
• Stay with it until it is done or clearly advanced. The point is progress on the important thing, not a ritual.

The idea is reasonable. The question is whether the research supports the strong version, "always do the hardest thing first", or a narrower one.

What the research says about doing hard tasks first

No published study has randomly assigned people to eat the frog or not and measured the outcome. What exists is research on how people choose the order of their tasks, why they avoid some tasks, and how performance changes across the day. Together these explain both why the advice exists and where it breaks.

People drift toward easy tasks when the load rises

The closest direct evidence comes from a study of task choice in a hospital emergency department. KC, Staats, Kouchaki and Gino (2020) analysed six years of records and found that as workload increased, doctors were more likely to pick up easier patients next. The authors call this task completion preference. In the short run it helped doctors manage swings in how long cases took, and it seemed to raise the number of cases finished per shift. Once the researchers adjusted for how complex the completed work was, the preference was linked to worse throughput, and choosing easier cases was linked to less learning over time. A follow-up lab study found the same short-term pull toward easy tasks under heavy load and traced it to two things: fatigue and the satisfying sense of progress that comes from finishing something.

That second reason is worth noticing. The pull toward easy tasks is not laziness. Ticking things off feels like progress, and under pressure the feeling of progress is very persuasive. The study also has clear limits. The field data come from one hospital's emergency department, where tasks are patients and doctors choose under time pressure. It shows an association in real records, not a controlled test of task order in office work. It does not show that hard tasks should always come first.

The urge to get things off your mind

A second line of research explains why small tasks are so tempting even when they cost more effort. In a series of experiments, Rosenbaum, Gong and Potts (2014) asked students to pick up one of two buckets and carry it to the end of an alley. They expected people to choose the bucket closer to the finish. Instead, most picked up the bucket closer to where they started and carried it further, doing extra physical work just to complete a step sooner. The authors named this pre-crastination, the opposite of procrastination, and linked it to a wish to reduce what you are holding in working memory.

Later work supports that explanation. In Patterson and Kahan (2020), 48 participants were more likely to pre-crastinate when doing so freed up memory sooner, and less likely when it meant holding a memory load for longer. David and colleagues (2025) found that people who pre-crastinated in a physical bucket task also tended to do so in a mental version, which suggests it is a fairly stable habit in how people order tasks. The same study found the tendency weakened as the tasks became harder.

These are lab tasks with buckets and number strings, not real workdays. They do suggest something useful. Clearing small items first is not a character flaw. It lightens the mental to-do list, and that relief is real. The cost is that the relief arrives at the expense of the task that mattered more.

Unpleasant tasks get delayed

The frog is usually the task you least want to do, and that is exactly what predicts delay. A large meta-analysis by Steel (2007), based on 691 correlations, found that task aversiveness, a long time until the deadline, low confidence in your ability to do the task, and impulsiveness were among the strongest and most consistent predictors of procrastination. Most of the underlying studies were correlational, so they describe patterns rather than prove causes.

A more recent review by Sirois (2023) frames procrastination as a way of managing mood: putting off a task is a low-effort way to avoid the unpleasant feelings it brings up, and stressful periods make that escape more tempting. You can read the full text of the review. This is a conceptual review, not a new experiment, but it fits everyday experience. The frog gets avoided because of how it feels to start, not because you cannot do it.

Seen this way, eat the frog is a strategy for the moment of avoidance. Doing the task first means you decide before the day hands you a stream of easier, mood-improving alternatives. If you want to go deeper on why starting is hard, see our guides to what procrastination really is and why starting a task can be the hardest part.

"First" depends on your clock

The slogan assumes the morning is your best time. That is true for many people, but not all. A review of circadian research by Schmidt and colleagues (2007) found that performance on attention, executive function and memory tasks varies across the day, and that the size of the swing depends on chronotype: whether testing happens at a person's own peak time matters. Someone who is sharpest late in the morning or in the early evening may do their hardest thinking better then than at 8:00.

Many people also hear that willpower is highest in the morning and drains away with each decision. That idea comes from ego depletion research, and a multi-lab replication across 23 laboratories (Hagger and colleagues, 2016) found an effect close to zero for the standard test. We cover this in more detail in is decision fatigue real? The better reason to protect a slot for the frog is your daily rhythm and the steady pile-up of interruptions, not a fixed tank of willpower.

Why the frog keeps getting away

Putting the research together gives a clearer picture of what goes wrong on a typical morning:

• The frog is vague. "Work on the strategy doc" has no first step. Your mind has to design the task before doing it, and design work while you feel behind is exactly what you want to avoid.
• Small tasks offer quick relief. Each reply or quick fix lightens the mental list and gives a hit of progress. The pre-crastination and task-choice studies show how strong that pull is.
• The frog feels bad to start. Aversive tasks are the ones people put off, and stress makes avoidance more tempting.
• The slot is wrong. If first thing is not when you think best, forcing the frog then can turn into an hour of staring and a worse mood for the rest of the day.
• The frog is too big. "Finish the report" cannot be eaten in a sitting. When the task has no visible end, the first hour feels like failure.

How to eat the frog in a way that holds

These steps are suggestions drawn from the research above, not a tested programme. Treat them as a starting point and adjust from your own results.

1. Choose the frog the evening before. Write down the one task and the time you will start it. In Masicampo and Baumeister (2011), making a specific plan for an unfinished goal removed the intrusive thoughts and interference that goal had been causing in lab tasks. A named task and slot also removes the morning negotiation.
2. Write the first physical action. Not "draft the proposal" but "open the doc and write three bullet points for the opening". If you cannot name the first action, deciding it is today's frog.
3. Put it in your best hours, not automatically first. If you are sharpest at 10:00, give the frog 10:00 and use the time before it for routine work that does not spill over. Our guide to the afternoon slump and our piece on mental energy explain why the same task can feel very different at different times.
4. Allow a short, fenced warm-up. Pre-crastination is a real pull. Rather than fight it all morning, give it a box: ten minutes to clear the two or three items that are genuinely nagging at you, then close the inbox. Without a limit, the warm-up becomes the morning.
5. Make the start tiny. Commit to the first fifteen minutes, with permission to stop. Most of the resistance sits at the start of an aversive task. Once you are in it, the next step is usually easier.
6. Cut big frogs into one-sitting pieces. "Outline section two" can be eaten. "Finish the report" cannot. A frog you can finish gives you the same sense of progress that easy tasks offer.
7. Protect the slot from interruptions. Close messaging apps and put the phone out of reach for the block. If your work is full of interruptions, decide in advance how you will handle the ones that cannot wait. Our guides to time blocking and task batching cover this in more depth.

When not to eat the frog first

The evidence supports doing important hard work before easy work crowds it out. It does not support a rule that the hardest task must always come first. Consider a different order when:

• Your best hours come later. Put the frog where your attention peaks, and keep the slot fixed so it does not drift.
• Something truly urgent is waiting. A short reply that unblocks a colleague may be worth doing first. Be honest about whether it is urgent or just easier.
• You have several frogs. Pick one. Three frogs before lunch usually means none gets done properly.
• The frog depends on someone else. If you need an answer or a file first, send that request early and move the frog to later in the day.
• You need momentum to start at all. On low days, one small finished task can make starting easier. Keep it to one, with a clear stop, and then turn to the frog.

Eat the frog vs time blocking, task batching and Pomodoro

These methods answer different questions and work well together.

• Eat the frog decides which task gets your first real effort.
• Time blocking decides when work happens by reserving a slot on the calendar. The frog is a natural first block. See time blocking.
• Task batching groups similar small tasks, such as messages and admin, into one session so they stop interrupting the frog. See task batching.
• Pomodoro sets the rhythm of work and breaks inside a block. A first 25-minute interval can be a gentle way into a frog. See does the Pomodoro Technique work?

A two-week test: does eating the frog help you?

Because the evidence is indirect, the best way to decide is to test it in your own work.

• Week one, your usual order. Each morning, write down the task you would call your frog, then work the way you normally do. In the evening, note whether the frog moved forward, and rate from 1 to 10 how in control of the day you felt.
• Week two, frog first. Choose the frog the night before, name the first action and start it in your chosen slot after a short, fenced warm-up. Keep the same notes and ratings.
• Compare. Count how many days the frog moved forward in each week, and look at your ratings side by side. One week of each is noisy, and an unusual deadline can swamp the difference, so look for a clear pattern rather than a small gap. If the frog still slipped, check whether the cause was vagueness, size, timing or interruptions, because each has a different fix.

Where Zone fits

Zone is a pair of EEG earbuds with an app that shows app brain states, such as Locked In, In Flow, Drifting, Running Hot and Depleted. The earbuds read signals through an in-ear EEG array, described in our explainer on in-ear EEG. If you run the two-week test while wearing Zone, you can set session summaries from frog-first mornings beside those from your usual order, or compare how your sessions look when you start the frog at 9:00 versus later in the morning. You can read more in our guide to focus tracking. Treat these as app estimates, not a measure of productivity or proof that eating the frog works for you, and keep your own notes and finished work as the main evidence. Zone does not diagnose, treat, or manage any medical condition.

Common questions

What does "eat the frog" mean?

It means doing your most important and most avoided task first, before smaller jobs take over the day. The phrase was popularised by Brian Tracy's book Eat That Frog!.

Did Mark Twain say "eat the frog"?

The line is widely credited to Mark Twain, but we could not find a verified source in his writing. It is best treated as a popular saying rather than a confirmed quotation.

Does eating the frog actually work?

No study has tested it by name. Related research shows that people drift toward easy tasks under heavy load, which can look productive while reducing complexity-adjusted output, and that unpleasant tasks are the ones most often delayed. That supports doing important hard work before easy work crowds it out, ideally at the time of day you think best.

Should I always do the hardest task first?

Not always. If your sharpest hours come later, if something truly urgent is waiting, or if the frog depends on someone else, a different order can make sense. The key is to choose the frog in advance and give it a protected slot.

What is pre-crastination?

Pre-crastination is the tendency to finish a small step as soon as possible, even when it costs extra effort, apparently to get it off your mind. It helps explain why quick tasks are so tempting first thing.

Sources

1. KC, D. S., Staats, B. R., Kouchaki, M., and Gino, F. (2020). Task selection and workload: a focus on completing easy tasks hurts performance. Management Science, 66(10), 4397 to 4416. doi.org/10.1287/mnsc.2019.3419
2. Rosenbaum, D. A., Gong, L., and Potts, C. A. (2014). Pre-crastination: hastening subgoal completion at the expense of extra physical effort. Psychological Science, 25(7), 1487 to 1496. PubMed record
3. Patterson, E. E., and Kahan, T. A. (2020). Precrastination and the cognitive-load-reduction (CLEAR) hypothesis. Memory, 28(1), 107 to 111. PubMed record
4. David, A., Ingwu, J., Meselsohn, N., Retzloff, C., and Hutcheon, T. G. (2025). Pre-crastination across physical and cognitive tasks. Quarterly Journal of Experimental Psychology, 78(3), 490 to 497. PubMed record
5. Steel, P. (2007). The nature of procrastination: a meta-analytic and theoretical review of quintessential self-regulatory failure. Psychological Bulletin, 133(1), 65 to 94. PubMed record
6. Sirois, F. M. (2023). Procrastination and stress: a conceptual review of why context matters. International Journal of Environmental Research and Public Health, 20(6), 5031. PubMed record, full text
7. Schmidt, C., Collette, F., Cajochen, C., and Peigneux, P. (2007). A time to think: circadian rhythms in human cognition. Cognitive Neuropsychology, 24(7), 755 to 789. PubMed record
8. Hagger, M. S., Chatzisarantis, N. L. D., and colleagues (2016). A multilab preregistered replication of the ego-depletion effect. Perspectives on Psychological Science, 11(4), 546 to 573. PubMed record
9. Masicampo, E. J., and Baumeister, R. F. (2011). Consider it done! Plan making can eliminate the cognitive effects of unfulfilled goals. Journal of Personality and Social Psychology, 101(4), 667 to 683. PubMed record