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Rating of how dangerous pollution of America's rivers, lakes, and streams is in general, GSS 1993-2018 and the 2021 re-ask under a new variable name.
AI-matched An AI model grouped these questions and mapped their answers onto shared categories, and a second AI review checked and corrected the grouping and mapping. No person has checked it: compare the question wordings and the answer mapping below before reading the lines against each other.
Latest: 3% answered “Not dangerous (not very or not at all)” in GSS: Danger of water pollution to the environment, 2021.
Shares of people whose answer maps onto these categories (non-answers and answers outside the scale are left out), because surveys differ in whether they offer “don’t know.” Each column is one survey wave, evenly spaced rather than to scale in time; hover for exact shares.
Shares of people whose answer maps onto these categories (non-answers and answers outside the scale are left out), because surveys differ in whether they offer “don’t know.” Each point is one survey wave at the middle of its field period. Lines from different surveys are never spliced together.
Groups differ from everyone by 6 points on average across all answers, in GSS: Danger of water pollution to the environment.
| Line | Question | Match | How answers map |
|---|---|---|---|
| GSS: Danger of water pollution to the environment | Danger of water pollution to the environment A. In general, do you think that pollution of America's rivers, lakes, and streams is... Caveat: Reference question; the two lowest options are combined to keep categories consistent. | identical | Extremely dangerous → Extremely dangerous; Very dangerous → Very dangerous; Somewhat dangerous → Somewhat dangerous; Not very dangerous → Not dangerous (not very or not at all); Not dangerous at all → Not dangerous (not very or not at all) |
| GSS: Danger of water pollution to the environment | Danger of water pollution to the environment And do you think that pollution of America's rivers, lakes and streams is… Caveat: 2021 re-ask under a new variable name with a slightly different intro ("And do you think"); same scale. Possible mode or context differences. | equivalent | Extremely dangerous → Extremely dangerous; Very dangerous → Very dangerous; Somewhat dangerous → Somewhat dangerous; Not very dangerous → Not dangerous (not very or not at all); Not dangerous at all → Not dangerous (not very or not at all) |
Groups differ from everyone by 6 points on average across all answers, in GSS: Danger of water pollution to the environment.
Subgroup charts are picked automatically. Of every breakdown in the data (party, ideology, age, sex, race, education, income, region, religion, and community type), these two put their groups furthest from everyone’s answers: the gap is averaged across all answer categories and waves, with each group weighted by its share of respondents. Party and ideology count as one choice, so the second chart shows a different kind of split. Groups with an effective sample under 50 in a wave are left out of that wave.