Smartphones are a double-edged tool in classrooms.

{
    "study_type": "policy",
    "exposure": {
        "band": null,
        "source": "mobile phone",
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": null
    },
    "population": null,
    "sample_size": null,
    "outcomes": [],
    "main_findings": null,
    "effect_direction": "unclear",
    "limitations": [
        "No abstract content provided; outcomes and findings cannot be extracted.",
        "Publication type is News, not a primary research study (per metadata)."
    ],
    "evidence_strength": "insufficient",
    "confidence": 0.61999999999999999555910790149937383830547332763671875,
    "peer_reviewed_likely": "unknown",
    "keywords": [
        "smartphones",
        "classrooms",
        "education"
    ],
    "suggested_hubs": [
        {
            "slug": "school-wi-fi",
            "weight": 0.34999999999999997779553950749686919152736663818359375,
            "reason": "Title indicates smartphone use in classrooms (school setting), but no abstract details to confirm EMF/Wi‑Fi exposure focus."
        }
    ]
}

AI can be wrong. Always verify against the paper.