Module 3 · Motivation & getting unstuck · Strong evidence

If–then plans

Deciding in advance exactly when and where you will act (implementation intentions).

6 min read · Level: Practising · Free — no account needed to read

The idea

An if–then plan links a specific situation to a specific action: “If it is 7am, then I put on my running shoes.” “If I feel the urge to check my phone while studying, then I take three breaths and read one more paragraph.” Psychologists call these implementation intentions.

They work because they move the decision from the moment to now. When the situation arrives, the action is already chosen, so there is less room for hesitation, forgetting or negotiation with yourself. The situation becomes the cue.

A large review of studies found that if–then plans substantially improved how often people followed through on their goals — across exercise, study, healthy eating and more. They are quick to make and work best when the “if” is specific and happens reliably.

Why it works

Most intentions fail not because people don’t care, but because the moment to act slips by. If–then plans catch that moment.

A real example

The situation

Nour intends to drink more water but forgets until evening, every day.

What happened

She makes an if–then plan: “If I sit down at my desk, then I fill my water bottle first.” Within a week it is automatic, and she drinks steadily through the day.

The takeaway

Tying the action to a moment that already happens made remembering unnecessary.

Use this when you are…

• you intend to do something but keep forgetting or putting it off
• building a new habit
• planning how to handle a predictable temptation

Common mistakes

• Making the “if” vague (“if I have time”). It needs to be a clear moment or place.
• Planning too many if–then rules at once.
• Choosing an action that is too big for the moment it is linked to.

What the evidence says

Strong evidence: Many good-quality studies, usually including randomised trials and reviews that pool them, point the same way. Guidelines tend to recommend it.

Implementation intentions have been tested in hundreds of studies; a well-known review found a medium-to-large effect on goal attainment. Later reviews find smaller but still consistent benefits, especially in real-world settings.

Where this comes from: Implementation intentions research; Habit formation research.

Fields that study this: Behavioural science.

Try it now: Write one if–then plan

1. Choose one thing you keep meaning to do.
2. Pick a specific moment that happens every day and comes just before it.
3. Write: “If [that moment], then I will [the action].”

Practise with a guided technique

• If–then plan — (2 min · Strong evidence)
• The two-minute start — (2 min · Practical evidence)

Questions to think about

• Which of your intentions most often slips by unnoticed?
• What reliable moment in your day could act as its cue?

Try this today

Write one if–then plan for something you keep forgetting, and use it today.

Afterwards, ask yourself

Did the if–then plan catch the moment? What would make it more reliable?

Words in this lesson

• Implementation intention — An if–then plan that links a specific situation to a specific action, decided in advance.
• Cue — A trigger that prompts a habit — a time, place, feeling, person or preceding action.