From grimoire
Builds a structured feedback system for coaches to accelerate athlete skill acquisition, covering timing, specificity, frequency, and positive-to-corrective ratio.
How this skill is triggered — by the user, by Claude, or both
Slash command
/grimoire:design-feedback-delivery-systemThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Create a structured, consistent approach to delivering performance feedback that accelerates skill acquisition and builds athlete self-correction capability.
Create a structured, consistent approach to delivering performance feedback that accelerates skill acquisition and builds athlete self-correction capability.
Adopted by: USGA teaching programs, PGA Teaching Manual, USTA coaching certification, and UEFA coaching education all include feedback methodology as core curriculum. John Wooden's coaching philosophy — which produced 10 NCAA championships at UCLA — centered on specific, immediate, corrective feedback delivered at high frequency with minimal praise or criticism. Impact: Hattie & Timperley (2007) meta-analysis of 7,000+ studies found feedback has one of the highest effect sizes on learning (d=0.79), but only when it is specific, timely, and actionable. Magill (2014) synthesis of motor learning research shows that augmented feedback (external feedback from a coach) accelerates skill acquisition in early learning, but over-reliance retards self-regulatory skill development. The optimal feedback frequency decreases as skill level increases.
Adjust feedback approach by learning stage:
The goal of coaching feedback is ultimately to develop the athlete's self-correction ability. Coaches who give feedback on every rep create dependency, not skill.
Effective feedback names a specific observable behavior, not a general quality:
Use the WHAT-WHY-HOW structure:
Research consensus (Gottman's work translated to coaching; Gallup coaching literature):
Positive feedback must be specific behavior, not general praise ("Good job" → "Your weight transfer was perfect there — same technique.").
Timing guidelines from motor learning research:
The KR delay (knowledge of results delay): a 3-5 second pause after performance before giving feedback improves retention vs. immediate feedback (Swinnen et al., 1990).
Before giving a correction, ask:
If the athlete can self-identify the error: reinforce their observation and confirm the correction. If they can't: guide with a question ("What was your elbow doing?") before providing the answer.
Feedback culture is as important as feedback content:
npx claudepluginhub jeffreytse/grimoire --plugin grimoireSystematically evaluates an athlete's performance with structured feedback and goal-setting for the next training phase.
Audits and redesigns AI-generated feedback for pedagogical quality, timing, and learning impact. Use when building or reviewing automated feedback in digital learning tools.
Applies exercise science knowledge to program design, periodization, biomechanics, injury prevention, and evidence-based training methodology.