GAD Longitudinal Formulation
A developmental map of how worry took root and how it is kept going - tracing early experiences and beliefs through to the worry cycles that maintain anxiety today.
Written by Tarun Vermani, Trainee Clinical Psychologist Last reviewed
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GAD Longitudinal Formulation
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Early Experiences and Environment
Relevant background that may have shaped a worry-prone style.
Core Beliefs and Assumptions
Enduring beliefs about the self, the world, uncertainty, and worry itself.
Critical Incidents and Onset
What activated or escalated the worry into a clinical problem.
Current Worry Process
Map the two levels of worry and how the person responds to each.
Maintaining Cycles
The processes that keep worry and anxiety going, including how each one prevents the belief from being disconfirmed.
| # | Maintaining process | How it shows up for this person | How it keeps the problem going (blocks disconfirmation) | Actions |
|---|---|---|---|---|
| 1 | ||||
| 2 | ||||
| 3 | ||||
| 4 |
Consequences and Impact
The toll the problem is taking across life domains.
Collaborative Treatment Targets
Shared priorities that follow from the formulation.
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When to use the GAD Longitudinal Formulation
The GAD Longitudinal Formulation is an interactive cognitive behavioural therapy (CBT) worksheet, most often used in CBT for generalised anxiety (GAD).
It is designed to be used within therapy rather than as a standalone self-help tool: a therapist introduces it, works through it collaboratively, and helps make sense of what it surfaces. You can preview the full worksheet above, then assign it digitally for clients to complete between sessions on any device — or download it as a print-ready PDF.
How it works
Most people work through it in around 25 minutes. It moves through six short steps:
- Early Experiences and Environment — Relevant background that may have shaped a worry-prone style.
- Core Beliefs and Assumptions — Enduring beliefs about the self, the world, uncertainty, and worry itself.
- Critical Incidents and Onset — What activated or escalated the worry into a clinical problem.
- Current Worry Process — Map the two levels of worry and how the person responds to each.
- Maintaining Cycles — The processes that keep worry and anxiety going, including how each one prevents the belief from being disconfirmed.
- Consequences and Impact — The toll the problem is taking across life domains.
Completed on the Formulate platform, your client's answers are saved automatically and shared straight back to you, so you can review them before the next session rather than waiting for a paper copy to come back.
The CBT approach behind it
In common with other CBT methods, the GAD Longitudinal Formulation works by mapping how the parts of a problem connect and keep it going (formulation). The aim is not positive thinking but a clearer, shared understanding of what keeps a difficulty going — and practical, testable ways to change it.
Because it is a CBT tool it stays focused on the here-and-now links between thoughts, feelings, the body and behaviour, and it works best as one part of a wider course of therapy rather than as advice or a diagnosis.
Evidence & sources
This worksheet is grounded in established cognitive behavioural therapy theory and practice. Key sources include:
- Beck, A.T., Rush, A.J., Shaw, B.F., & Emery, G. (1979). Cognitive Therapy of Depression. New York: Guilford Press.
- Wells, A. (1995). Meta-cognition and worry: A cognitive model of generalized anxiety disorder. Behavioural and Cognitive Psychotherapy, 23(3), 301-320.
- Wells, A. (2009). Metacognitive Therapy for Anxiety and Depression. New York: Guilford Press.
- Dugas, M.J. & Robichaud, M. (2007). Cognitive-Behavioral Treatment for Generalized Anxiety Disorder. New York: Routledge.
For use alongside professional support
Formulate provides educational CBT resources for use with a qualified therapist. They are not a substitute for professional assessment, diagnosis, or crisis care.
If you need urgent help now:
- Emergency services: 999 — if you or someone else is in immediate danger
- Samaritans: 116 123 — free, day or night, 365 days a year
- SANEline: 0800 689 5555 — 4:30pm–10:30pm, every day
More Generalised Anxiety (GAD) worksheets
View all Generalised Anxiety (GAD) worksheets →Generalised Anxiety (GAD)
GAD Metacognitive Formulation (Wells)
A formulation based on Wells' metacognitive model of GAD — mapping the role of positive and negative beliefs about worry in maintaining the worry cycle.
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Worry Classification Worksheet
Learn to distinguish between practical worries (that you can act on) and hypothetical worries (that are about "what if") to respond differently to each.
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Worry Decision Tree
Work through a structured process to decide whether a worry is practical (take action) or hypothetical (practise letting go).
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Tolerating Uncertainty Practice
Practise noticing and tolerating everyday uncertainty to build your tolerance muscle.
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Worry Diary with Postponement Record
Track worries as they occur, classify them, practise postponing hypothetical worries to a designated worry period, and record outcomes.
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Positive Meta-Beliefs About Worry
Identify and challenge positive beliefs about worrying — the beliefs that keep you worrying because you think it helps.
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