When an outcome is unknown, the mind has to generate possibilities. Some children give extra weight to threatening possibilities and experience “not knowing” as a problem that must be solved immediately.
In brief: Uncertainty can increase prediction, checking, reassurance, avoidance, and control-seeking. Adults can provide honest structure while gradually helping children act without complete certainty.
Common Everyday Signs
A child may repeatedly ask what will happen, struggle with substitute teachers, need exact plans, avoid new activities, or become upset when rules are ambiguous. These behaviors are not proof of a disorder and may also reflect developmental, communication, sensory, or safety needs.
Helpful Adult Support
Separate what is known, unknown, and controllable. Use predictable routines and advance notice where reasonable, then leave small safe variations. Practise phrases such as “I do not know yet; I know my first step.” Praise flexible action, not the absence of worry.
Do not manufacture surprises or remove necessary accommodations to “teach flexibility.” Build tolerance gradually and collaboratively. If uncertainty-driven distress causes substantial impairment, a qualified professional can assess the broader pattern.
Related SafeSEL Guides
- Cope with changes in family plans
- Reassurance versus confidence
- Child freezes before a new activity
- Browse worry resources
Sources
- NIMH: Anxiety Disorders
- NICE: Anxiety Disorders—Clinical Guidance
- Centre for Clinical Interventions: Worry and Rumination
Sources and further reading
- Treating Children's Mental Health with Therapy — Centers for Disease Control and Prevention
- Improving Family Communications — American Academy of Pediatrics — HealthyChildren.org
- Why Kids Act Out: Tips to Help Your Child Cope With Stress — American Academy of Pediatrics — HealthyChildren.org




