Evidence Base
The science behind every card
Power Phrase Universe is not built on intuition. Every deck, every phase, and every visual decision is grounded in established psychological frameworks. The evidence base is fully documented and available for free download.
Clinical Justification & CASEL Alignment Document
Full evidence base · Free to download · CASEL mapping · CBT alignment · Age-range guidance
Why this system works
The Power Phrase Universe card system is grounded in established developmental neuroscience and clinical theory. Four foundations sit beneath the system.
Why children 5–11 cannot learn through self-reflection alone
The prefrontal cortex is not fully developed until approximately age 25. Children aged 5–11 lack the neural architecture for deep self-reflection. The PPU system is built to bypass this limitation rather than fight it.
Piaget’s concrete operational stage
Children aged 7–11 think in tangible terms, not abstract concepts. They need to see and do, not introspect. Every PPU deck is built on this principle — concrete visual depictions, observable actions, and tangible identity outcomes.
Mirror neurons and learning through observation
Children’s brains are wired to learn by watching and doing — not by discussing feelings. Action creates neural pathways. Conversation alone does not.
The myth of emotional self-awareness in young children
Young children need external modelling and behavioural practice to build internal understanding — not the reverse. The PILA Cards, Feelings Intensity Scale, and Anchor Cards provide that external scaffold.
Why current SEL tools fall short
What the evidence says about existing approaches — and how PPU responds.
| Common SEL approach | What it misses | PPU response |
|---|---|---|
| Emotion-naming without action | Creates awareness without behavioural change. | Every PPU sequence moves: identify → act → become. |
| Abstract group discussion | Asks children to verbalise concepts they cannot yet hold. | PPU replaces abstract discussion with concrete card-based action. |
| Single-modality approaches | Misses the visual, kinaesthetic, and social learning pathways. | PPU is multi-modal by design: visual, physical, verbal, and social. |
| Adult frameworks adapted downward | Designed for adult cognitive capacity, translated down minimally. | PPU was designed from the ground up for the concrete operational stage. |
| Temporary awareness, no identity shift | Short-term insight without lasting identity formation. | The PPU Growth Cycle targets neuroplastic identity consolidation through repetition. |
PPU’s three clinical differentiators
Developmentally appropriate
Designed specifically for the concrete operational stage, not adapted down from adult tools.
Action-based, not discussion-based
See → do → become. Mirror neuron learning does the rest.
Identity transformation, not awareness
The goal is not “I know what empathy is.” The goal is “I am empathetic.”
Five evidence pillars
CASEL
Maps to all five CASEL competency domains. Full alignment in the Clinical Justification PDF.
All six decksCognitive Behavioural Therapy (CBT)
PILA framework, Feelings Intensity Scale, and Power Action Cards are explicitly CBT-aligned.
Decks 1, 2, 5Trauma-Informed Practice
Safety and co-regulation come before cognitive processing. Polyvagal theory informs the sequencing.
Decks 1, 3Developmental Language Scaffolding
Modal Verb Series based on applied linguistics research into how children acquire agency language.
Decks 4, 6Developmental Neuroscience
Piagetian stage theory and mirror neuron research provide the core developmental rationale.
All six decksAll five CASEL competency domains covered
Self-Awareness
Identifying emotions and strengths
Decks 1, 2Self-Management
Regulation, impulse control
Decks 2, 3, 5Social Awareness
Empathy, perspective-taking
Decks 3, 6Relationship Skills
Communication, cooperation
Decks 3, 4, 6Responsible Decision-Making
Ethics, consequences
Decks 5, 6The research foundation
Selected references underpinning the PPU system. The complete annotated bibliography is available in the Clinical Justification PDF.
Developmental Neuroscience & PFC Development
Casey, B.J. et al. (2005). Imaging the developing brain. Trends in Cognitive Sciences, 9(3), 104–110.
Steinberg, L. (2010). A dual systems model of adolescent risk-taking. Developmental Psychobiology, 52(3), 216–224.
Piagetian Developmental Theory
Piaget, J. (1952). The Origins of Intelligence in Children. International Universities Press.
Inhelder, B., & Piaget, J. (1958). The Growth of Logical Thinking from Childhood to Adolescence. Basic Books.
Mirror Neurons & Observational Learning
Rizzolatti, G., & Craighero, L. (2004). The mirror-neuron system. Annual Review of Neuroscience, 27, 169–192.
Bandura, A. (1977). Social Learning Theory. Prentice Hall.
CBT & Trauma-Informed Practice
Porges, S.W. (2011). The Polyvagal Theory. Norton.
Van der Kolk, B. (2014). The Body Keeps the Score. Viking.
CASEL & SEL Frameworks
CASEL (2020). CASEL’s SEL Framework. Collaborative for Academic, Social, and Emotional Learning.
Durlak, J.A. et al. (2011). The impact of enhancing students’ social and emotional learning. Child Development, 82(1), 405–432.
Complete annotated bibliography
Full references with annotations in the Clinical Justification PDF
Evidence reviewed. Ready to proceed?
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Important: Power Phrase Universe cards are educational SEL tools. Not a substitute for professional psychological assessment, diagnosis, or treatment. ABN 55 260 040 085 · Warabrook NSW 2304, Australia