{
    "methodology_version": "1.1",
    "effective_from": "2026-10-01",
    "weights": {
        "public": 0.5,
        "oversight": 0.3,
        "performance": 0.2
    },
    "public_feedback": {
        "window_months": 24,
        "recency_half_life_months": 12,
        "contact_recency_multiplier": {
            "0_12": 1.0,
            "12_24": 0.75,
            "24_36": 0.5
        },
        "prior_strength": 10,
        "min_effective_scored": 30,
        "min_effective_provisional": 10,
        "min_category_effective": 10,
        "min_categories": 4,
        "min_categories_per_submission": 3,
        "cooling_off_hours": 48,
        "z_95": 1.96
    },
    "oversight": {
        "window_months": 48,
        "half_life_months": 24,
        "rubrics": {
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                "name": "Care Inspectorate Wales — local authority inspection",
                "type": "principles",
                "levels": {
                    "strengths_outweigh": {
                        "label": "Strengths clearly outweigh areas for improvement",
                        "score": 85
                    },
                    "balanced": {
                        "label": "Strengths and areas for improvement are broadly balanced",
                        "score": 60
                    },
                    "improvement_outweighs": {
                        "label": "Areas for improvement outweigh strengths",
                        "score": 35
                    },
                    "significant_concern": {
                        "label": "Significant concerns or priority action required",
                        "score": 15
                    }
                },
                "principles": [
                    "People – voice and choice",
                    "Prevention",
                    "Well-being",
                    "Partnerships and integration"
                ],
                "cap_if_priority_action": 25
            },
            "ciw_joint_inspection": {
                "name": "Joint inspection of child protection arrangements (Wales)",
                "type": "scale",
                "levels": {
                    "Strengths clearly outweigh areas for improvement": 85,
                    "Strengths and areas for improvement are broadly balanced": 60,
                    "Areas for improvement outweigh strengths": 35,
                    "Significant concerns or priority action required": 15
                }
            },
            "ciw_service_rating": {
                "name": "Care Inspectorate Wales — regulated service rating",
                "type": "scale",
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                    "Excellent": 90,
                    "Good": 70,
                    "Requires improvement": 40,
                    "Requires significant improvement": 15
                }
            },
            "cqc_la_assessment": {
                "name": "Care Quality Commission — local authority assessment",
                "type": "scale",
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                    "Outstanding": 90,
                    "Good": 70,
                    "Requires improvement": 40,
                    "Inadequate": 15
                }
            },
            "ofsted_ilacs": {
                "name": "Ofsted — inspection of local authority children's services (sub-judgements)",
                "type": "principles",
                "levels": {
                    "outstanding": {
                        "label": "Outstanding",
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                    },
                    "good": {
                        "label": "Good",
                        "score": 70
                    },
                    "requires_improvement": {
                        "label": "Requires improvement to be good",
                        "score": 40
                    },
                    "inadequate": {
                        "label": "Inadequate",
                        "score": 15
                    }
                },
                "principles": [
                    "Help and protection",
                    "Children in care",
                    "Care leavers",
                    "Leadership"
                ],
                "cap_if_priority_action": 100
            },
            "care_inspectorate_scotland": {
                "name": "Care Inspectorate (Scotland) — six-point grade",
                "type": "scale",
                "levels": {
                    "6 – Excellent": 100,
                    "5 – Very good": 80,
                    "4 – Good": 60,
                    "3 – Adequate": 40,
                    "2 – Weak": 20,
                    "1 – Unsatisfactory": 0
                }
            }
        }
    },
    "performance": {
        "max_age_months": 24,
        "min_authorities": 5,
        "min_metrics": 3,
        "points_per_sd": 20,
        "z_clip": 2.5,
        "outlier_z": -1.5
    },
    "council_score": {
        "min_departments": 3,
        "min_departments_per_category": 3
    },
    "ranking": {
        "min_councils": 5
    },
    "trend": {
        "months": 12,
        "min_points": 4,
        "meaningful_slope": 0.25,
        "significance_se": 2.0,
        "meaningful_monthly_change": 1.0
    },
    "risk_indicators": {
        "sharp_decline_points": 8.0,
        "sharp_decline_months": 3,
        "low_category_score": 35.0,
        "low_category_min_effective": 30,
        "oversight_concern_score": 25.0,
        "oversight_concern_months": 24,
        "complaints_min_respondents": 20,
        "complaints_unresolved_share": 0.6,
        "performance_outlier_metrics": 2,
        "high_if_flag_count": 3
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    "trust_indicators": {
        "sample_high": 100,
        "sample_moderate": 30,
        "ci_width_high": 10.0,
        "ci_width_moderate": 20.0,
        "oversight_fresh_months": 24,
        "performance_fresh_months": 18,
        "integrity_high": 0.05,
        "integrity_moderate": 0.15,
        "month_share_high": 0.25,
        "month_share_moderate": 0.4
    },
    "annual": {
        "window_months": 12,
        "recency_weighting": false,
        "year_end_month": 3
    },
    "bands": [
        {
            "key": "strong",
            "label": "Strong",
            "min": 80
        },
        {
            "key": "good",
            "label": "Good",
            "min": 65
        },
        {
            "key": "mixed",
            "label": "Mixed",
            "min": 50
        },
        {
            "key": "improvement",
            "label": "Needs improvement",
            "min": 35
        },
        {
            "key": "concerns",
            "label": "Significant concerns",
            "min": 0
        }
    ],
    "rating_scale": {
        "1": "Very poor",
        "2": "Poor",
        "3": "Neither good nor poor",
        "4": "Good",
        "5": "Very good"
    },
    "documentation": "https://socialcarescore.co.uk/how-scoring-works"
}