Bibigon Vibro School 2012 Checkedl New 【AUTHENTIC – WALKTHROUGH】

| Instrument | Description | Reliability / Validity | |------------|-------------|------------------------| | Standardized Achievement Tests (SAT‑M, SAT‑S) | Nationally normed mathematics & science tests administered in 2012 (pre‑intervention) and 2015 (post‑intervention). | Cronbach’s α = 0.89 | | Vibration Exposure Log (VEL) | Daily logs of actuator frequency, duration, and classroom location. | Inter‑rater reliability = 0.93 | | Teacher Interview Guide | 12 open‑ended questions probing instructional changes, perceived efficacy, and challenges. | Content‑validated by three expert reviewers. | | Student Focus Groups | 6 groups (8‑10 pupils each) discussing attention, comfort, and learning experiences. | Thematic saturation achieved after 4 groups. | | Classroom Observation Protocol | Structured field notes on student behavior, teacher‑student interaction, and vibro‑device usage. | Cohen’s κ = 0.85 across observers. |

Given Cyrillic-to-Latin transliteration errors: bibigon vibro school 2012 checkedl new

2012 was a transitional year for educational software. | Instrument | Description | Reliability / Validity