{
  "alt": "Two panels. The first is a dot chart of the share of the rise accounted for by party, {fact:share_in} in the main specification with an interval from {fact:share_in_lo} to {fact:share_in_hi} and between {fact:share_1974_2018} and {fact:share_1974_2024} in the other four. The second is a dumbbell chart with one row per specification, showing the rise in the raw slope and the rise in the slope net of party; in every row the net dot sits to the left of the raw dot.",
  "caption": "Each row compares an early and a late period on the same respondents, and the share is one minus the ratio of the rise net of party to the raw rise. With seven party categories the share is {fact:share_in7}, and it is {fact:share_web} when the late window is 2018 to 2024, which includes web interviews.",
  "data": [],
  "id": "absorbed_share",
  "notes": [
    "The main specification pools the in-person GSS surveys of 1974 to 1978 and 2010 to 2018, and the seven-category row repeats that comparison with a finer party control. The single-year rows compare 1974 with 2018, the last survey before the web mode, and with 2024. The late window with web pools 2018 to 2024 against 1974 to 1978.",
    "The percentile bootstrap resamples respondents within each period {fact:boot_reps} times and refits both slopes each time. The party control is two indicators (Republican, independent) unless the row says seven categories.",
    "The web mode began in 2021. Rows that end in 2018 or use the survey years 2010 to 2018 contain no web interviews."
  ],
  "source": "General Social Survey, 1972-2024; weighted",
  "spec": {
    "panels": [
      {
        "figure": {
          "alt": "Dot chart with one row per specification showing the share of the rise in the raw slope that party identification accounts for, with intervals. The main specification is at {fact:share_in} with an interval from {fact:share_in_lo} to {fact:share_in_hi}, and the four others lie between {fact:share_1974_2018} and {fact:share_1974_2024}. The two single-year rows have intervals that reach past the whole rise.",
          "caption": "The intervals of the three pooled comparisons lie below the whole rise and those of the two single-year comparisons reach past it. A bound above the whole rise comes from resamples in which the rise net of party is negative.",
          "data": [
            {
              "group": "Main specification",
              "n": 17849,
              "net_hi": 0.0956401,
              "net_lo": 0.0274841,
              "net_rise": 0.0603653,
              "raw_hi": 0.147741,
              "raw_lo": 0.0786038,
              "raw_rise": 0.112426,
              "share": 46.3066,
              "share_hi": 66.5043,
              "share_lo": 33.2811,
              "spec": "Pooled in-person windows",
              "window": "1974 to 1978 and 2010 to 2018, pooled"
            },
            {
              "group": "Other specifications",
              "n": 17849,
              "net_hi": 0.0889589,
              "net_lo": 0.0217021,
              "net_rise": 0.0543525,
              "raw_hi": 0.147741,
              "raw_lo": 0.0786038,
              "raw_rise": 0.112426,
              "share": 51.6548,
              "share_hi": 74.2558,
              "share_lo": 36.9399,
              "spec": "Seven party categories",
              "window": "1974 to 1978 and 2010 to 2018, seven party categories"
            },
            {
              "group": "Other specifications",
              "n": 3483,
              "net_hi": 0.127294,
              "net_lo": -0.0217665,
              "net_rise": 0.0532887,
              "raw_hi": 0.189196,
              "raw_lo": 0.0212661,
              "raw_rise": 0.106146,
              "share": 49.7969,
              "share_hi": 163.325,
              "share_lo": 19.6201,
              "spec": "1974 and 2018 alone",
              "window": "1974 and 2018 alone (2018 is the last survey before the web mode)"
            },
            {
              "group": "Other specifications",
              "n": 4383,
              "net_hi": 0.138464,
              "net_lo": -0.0130575,
              "net_rise": 0.0625653,
              "raw_hi": 0.248338,
              "raw_lo": 0.095701,
              "raw_rise": 0.172201,
              "share": 63.6672,
              "share_hi": 112.07,
              "share_lo": 40.6791,
              "spec": "1974 and 2024 alone",
              "window": "1974 and 2024 alone (2024 includes web interviews)"
            },
            {
              "group": "Other specifications",
              "n": 19215,
              "net_hi": 0.0889055,
              "net_lo": 0.019609,
              "net_rise": 0.053052,
              "raw_hi": 0.18091,
              "raw_lo": 0.106288,
              "raw_rise": 0.142599,
              "share": 62.7964,
              "share_hi": 82.0463,
              "share_lo": 49.2529,
              "spec": "Late window with web",
              "window": "1974 to 1978 and 2018 to 2024, pooled (includes web interviews)"
            }
          ],
          "id": "absorbed_share_pct",
          "spec": {
            "colors": {
              "Main specification": "accent",
              "Other specifications": "muted"
            },
            "group": "group",
            "hi": "share_hi",
            "lo": "share_lo",
            "n": "n",
            "reference": 100,
            "referenceLabel": "The whole rise",
            "sort": "data",
            "x": "share",
            "xDomain": [
              0,
              170
            ],
            "xFormat": {
              "digits": 0
            },
            "xLabel": "Share of the rise accounted for (percent)",
            "y": "spec"
          },
          "subtitle": "Share of the rise in the raw slope that the party control accounts for, in percent",
          "table": {
            "columns": [
              {
                "key": "spec",
                "label": "Specification"
              },
              {
                "key": "window",
                "label": "Periods compared"
              },
              {
                "format": {
                  "digits": 0
                },
                "key": "share",
                "label": "Share accounted for by party (%)"
              },
              {
                "format": {
                  "digits": 0
                },
                "key": "share_lo",
                "label": "Lower"
              },
              {
                "format": {
                  "digits": 0
                },
                "key": "share_hi",
                "label": "Upper"
              },
              {
                "format": {
                  "thousands": true
                },
                "key": "n",
                "label": "Respondents"
              }
            ]
          },
          "title": "The share of the rise that party identification accounts for runs from {fact:share_in} in the main specification to {fact:share_1974_2024} when 1974 is compared with 2024",
          "type": "dot"
        },
        "label": "Share accounted for"
      },
      {
        "figure": {
          "alt": "Dumbbell chart with one row per specification and two dots per row, the rise in the raw slope and the rise in the slope net of party, with confidence intervals. In every row the net dot sits to the left of the raw dot. The first row, which pools five surveys at each end, has a raw rise of {fact:rise_raw_in} and a net rise of {fact:rise_net_in}.",
          "caption": "The open dot is the rise in the raw slope and the filled dot the rise net of party, so the gap between them is the part of the raw rise that the party control removes. In the main specification (the first row) the raw slope rose by {fact:rise_raw_in} and the slope net of party by {fact:rise_net_in}.",
          "data": [
            {
              "group": "Main specification",
              "n": 17849,
              "net_hi": 0.0956401,
              "net_lo": 0.0274841,
              "net_rise": 0.0603653,
              "raw_hi": 0.147741,
              "raw_lo": 0.0786038,
              "raw_rise": 0.112426,
              "share": 46.3066,
              "share_hi": 66.5043,
              "share_lo": 33.2811,
              "spec": "Pooled in-person windows",
              "window": "1974 to 1978 and 2010 to 2018, pooled"
            },
            {
              "group": "Other specifications",
              "n": 17849,
              "net_hi": 0.0889589,
              "net_lo": 0.0217021,
              "net_rise": 0.0543525,
              "raw_hi": 0.147741,
              "raw_lo": 0.0786038,
              "raw_rise": 0.112426,
              "share": 51.6548,
              "share_hi": 74.2558,
              "share_lo": 36.9399,
              "spec": "Seven party categories",
              "window": "1974 to 1978 and 2010 to 2018, seven party categories"
            },
            {
              "group": "Other specifications",
              "n": 3483,
              "net_hi": 0.127294,
              "net_lo": -0.0217665,
              "net_rise": 0.0532887,
              "raw_hi": 0.189196,
              "raw_lo": 0.0212661,
              "raw_rise": 0.106146,
              "share": 49.7969,
              "share_hi": 163.325,
              "share_lo": 19.6201,
              "spec": "1974 and 2018 alone",
              "window": "1974 and 2018 alone (2018 is the last survey before the web mode)"
            },
            {
              "group": "Other specifications",
              "n": 4383,
              "net_hi": 0.138464,
              "net_lo": -0.0130575,
              "net_rise": 0.0625653,
              "raw_hi": 0.248338,
              "raw_lo": 0.095701,
              "raw_rise": 0.172201,
              "share": 63.6672,
              "share_hi": 112.07,
              "share_lo": 40.6791,
              "spec": "1974 and 2024 alone",
              "window": "1974 and 2024 alone (2024 includes web interviews)"
            },
            {
              "group": "Other specifications",
              "n": 19215,
              "net_hi": 0.0889055,
              "net_lo": 0.019609,
              "net_rise": 0.053052,
              "raw_hi": 0.18091,
              "raw_lo": 0.106288,
              "raw_rise": 0.142599,
              "share": 62.7964,
              "share_hi": 82.0463,
              "share_lo": 49.2529,
              "spec": "Late window with web",
              "window": "1974 to 1978 and 2018 to 2024, pooled (includes web interviews)"
            }
          ],
          "id": "absorbed_rises",
          "spec": {
            "hi1": "raw_hi",
            "hi2": "net_hi",
            "label1": "Raw slope",
            "label2": "Net of party",
            "lo1": "raw_lo",
            "lo2": "net_lo",
            "reference": 0,
            "referenceLabel": "No rise",
            "sort": "data",
            "x1": "raw_rise",
            "x2": "net_rise",
            "xDomain": [
              -0.05,
              0.3
            ],
            "xFormat": {
              "digits": 2
            },
            "xLabel": "Rise in the standardized slope",
            "y": "spec"
          },
          "subtitle": "Rise in the standardized slope of ideology on attendance, raw and net of party identification",
          "table": {
            "columns": [
              {
                "key": "spec",
                "label": "Specification"
              },
              {
                "key": "window",
                "label": "Periods compared"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "raw_rise",
                "label": "Raw rise"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "raw_lo",
                "label": "Lower"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "raw_hi",
                "label": "Upper"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "net_rise",
                "label": "Rise net of party"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "net_lo",
                "label": "Lower"
              },
              {
                "format": {
                  "digits": 2
                },
                "key": "net_hi",
                "label": "Upper"
              },
              {
                "format": {
                  "thousands": true
                },
                "key": "n",
                "label": "Respondents"
              }
            ]
          },
          "title": "The rise in the slope net of party is smaller than the rise in the raw slope in every specification",
          "type": "dumbbell"
        },
        "label": "Rises in the slope"
      }
    ]
  },
  "subtitle": "Early and late GSS periods compared on one common sample of respondents, by specification; 95% bootstrap intervals",
  "title": "Party identification accounts for {fact:share_in} of the rise in the ideology slope (95% interval {fact:share_in_lo} to {fact:share_in_hi}) and for {fact:share_1974_2018} to {fact:share_1974_2024} in four other specifications",
  "type": "tabs",
  "width": "wide"
}
