{
  "alt": "Table with two rows for each of 2008, 2012, 2016, 2020 and 2024, one for each mapping of the seven-point scale, giving the ANES share, the CES share and the CES-to-ANES ratio with a 95% interval. When every point on each side counts, the ratio is {fact:ratio_b_2008} in 2008, {fact:ratio_b_2016} in 2016 and {fact:ratio_b_2024} in 2024. When only the two outer points on each side count, it is {fact:ratio_s_2008}, {fact:ratio_s_2016} and {fact:ratio_s_2024}, and its interval lies above one in every year except 2008.",
  "caption": "When every point on each side of the midpoint counts as liberal or conservative, the ratio is {fact:ratio_b_2008} in 2008 and {fact:ratio_b_2024} in 2024. When only the two outer points on each side count, it is {fact:ratio_s_2008} and {fact:ratio_s_2024}. The CES share is the same in both mappings; only the ANES share changes.",
  "data": [
    {
      "anes": 11.27,
      "ces": 5.4828,
      "hi": 0.587118,
      "lo": 0.40312,
      "mapping": "Three points each side",
      "n_anes": 1448,
      "n_ces": 27354,
      "ratio": 0.486496,
      "year": 2008
    },
    {
      "anes": 4.49835,
      "ces": 5.4828,
      "hi": 1.64373,
      "lo": 0.903793,
      "mapping": "Two outer points each side",
      "n_anes": 1448,
      "n_ces": 27354,
      "ratio": 1.21885,
      "year": 2008
    },
    {
      "anes": 9.81365,
      "ces": 7.02216,
      "hi": 0.813459,
      "lo": 0.629425,
      "mapping": "Three points each side",
      "n_anes": 4613,
      "n_ces": 43847,
      "ratio": 0.71555,
      "year": 2012
    },
    {
      "anes": 3.90532,
      "ces": 7.02216,
      "hi": 2.19322,
      "lo": 1.47417,
      "mapping": "Two outer points each side",
      "n_anes": 4613,
      "n_ces": 43847,
      "ratio": 1.7981,
      "year": 2012
    },
    {
      "anes": 7.1904,
      "ces": 8.43315,
      "hi": 1.37548,
      "lo": 1.00005,
      "mapping": "Three points each side",
      "n_anes": 2949,
      "n_ces": 50082,
      "ratio": 1.17283,
      "year": 2016
    },
    {
      "anes": 2.60896,
      "ces": 8.43315,
      "hi": 4.21502,
      "lo": 2.47881,
      "mapping": "Two outer points each side",
      "n_anes": 2949,
      "n_ces": 50082,
      "ratio": 3.23238,
      "year": 2016
    },
    {
      "anes": 5.16976,
      "ces": 5.34211,
      "hi": 1.20087,
      "lo": 0.889179,
      "mapping": "Three points each side",
      "n_anes": 6353,
      "n_ces": 48071,
      "ratio": 1.03334,
      "year": 2020
    },
    {
      "anes": 1.88756,
      "ces": 5.34211,
      "hi": 3.60749,
      "lo": 2.22035,
      "mapping": "Two outer points each side",
      "n_anes": 6353,
      "n_ces": 48071,
      "ratio": 2.83017,
      "year": 2020
    },
    {
      "anes": 6.32773,
      "ces": 3.67012,
      "hi": 0.695107,
      "lo": 0.483966,
      "mapping": "Three points each side",
      "n_anes": 4482,
      "n_ces": 49320,
      "ratio": 0.580007,
      "year": 2024
    },
    {
      "anes": 2.60902,
      "ces": 3.67012,
      "hi": 1.84506,
      "lo": 1.0725,
      "mapping": "Two outer points each side",
      "n_anes": 4482,
      "n_ces": 49320,
      "ratio": 1.4067,
      "year": 2024
    }
  ],
  "id": "survey_ratio",
  "notes": [
    "The CES asks a five-point item, so no mapping of the seven-point ANES item to it is correct by construction. The two shown are two natural readings of liberal and conservative on the seven-point scale."
  ],
  "source": "ANES Cumulative Data File, 1972-2024, and Cooperative Election Study cumulative file, 2006-2024; weighted (VCF0009z in the ANES, the survey weight in each CES wave); placed partisans, leaners included; intervals by the delta method",
  "spec": {
    "columns": [
      {
        "key": "year",
        "label": "Year"
      },
      {
        "key": "mapping",
        "label": "ANES points counted"
      },
      {
        "format": {
          "digits": 1
        },
        "key": "anes",
        "label": "ANES share (%)"
      },
      {
        "format": {
          "digits": 1
        },
        "key": "ces",
        "label": "CES share (%)"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "ratio",
        "label": "CES over ANES"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "lo",
        "label": "95% interval low"
      },
      {
        "format": {
          "digits": 2
        },
        "key": "hi",
        "label": "95% interval high"
      },
      {
        "key": "n_anes",
        "label": "ANES respondents"
      },
      {
        "key": "n_ces",
        "label": "CES respondents"
      }
    ]
  },
  "subtitle": "Ratio of the CES cross-pressured share to the ANES share in the five shared study years under two mappings of the ANES scale, with 95% intervals; a ratio of one means equal shares",
  "title": "The CES share is above or below the ANES share depending on how the seven-point scale is mapped to the five-point one",
  "type": "table",
  "width": "wide"
}