Create a small, expressive verb set that captures attempts, hints, revisits, reflections, and confidence ratings. Standardize context fields for module, step, attempt, device, and assistive technologies. Avoid brittle custom attributes. Pilot with real learners, inspect raw statements together, and prune anything that confuses, duplicates meaning, or exposes unnecessary detail that could chill honest engagement.
Handle sessionization, clock drift, and retries gracefully. Filter robotic traffic, misfires, and duplicate events. Normalize time‑on‑task with idle thresholds and meaningful boundaries. Document transformations in versioned recipes. Establish routine data quality checks for missingness, outliers, and schema drift, and require reproducible queries so results can be challenged, replicated, and celebrated with confidence.
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