What actually makes a parenting programme work: practice, consistency and emotional communication
A component analysis of 77 parent training evaluations
Reviewed by Sian Trombley, CCCFounder, Thrive Family Company
Moderate confidence
Source citation
Kaminski JW, Valle LA, Filene JH, Boyle CL. (2008). A meta-analytic review of components associated with parent training program effectiveness. Journal of Abnormal Child Psychology, 36(4), 567–589. https://doi.org/10.1007/s10802-007-9201-9
Published 1 May 2008 · Added to Thrive 1 May 2008 · Reviewed 26 July 2026
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Rather than asking whether parenting programmes work, this analysis asked which parts of them carry the effect.
Published research findings
The study
Researchers coded the content and delivery of 77 published parent training evaluations and related those components to programme effect sizes.
What researchers examined
Which specific components were associated with larger improvements in parenting behaviour and child conduct.
What they found
Programmes that included teaching emotional communication skills, positive parent–child interaction, and — critically — requiring parents to practise new skills with their own child during sessions produced larger effects. Adding components such as problem-solving or promoting other social services did not improve outcomes.
Thrive editorial interpretation
What this may mean for families
Reading about a strategy is not the intervention. Rehearsing it, ideally in the real relationship, is what moves the numbers.
What this doesn't tell us
Important limitations
Component analyses are correlational: programmes differ in many ways at once, so no single ingredient can be isolated causally.
Evidence confidence describes how much weight this study's design can carry — not how strongly the finding applies to any individual child or family.
Therapist perspective — Thrive interpretation, not a finding of the study
Therapist Perspective
This is why every Thrive lesson ends with something to practise this week rather than something to remember.
Practical family considerations
Choose the strategy you will rehearse, not the one that sounds most sophisticated.
This research summary is educational and does not replace individualized medical, psychological or therapeutic advice.
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Structured parenting programmes reliably reduced child behaviour problems
2014 · Meta-analysis
Strong confidence
Why it matters
Programme intensity should be matched to need. Many families do well with brief, targeted support.