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B. In your opinion, how likely is it that (John/Mary)'s situation MIGHT be caused by a chemical imbalance in the brain?
Mental illness situation caused by chemical imbalance · Asked in 2 waves, 2002–2024 · 3,042 responses · weighted estimates computed from individual responses
Dashed lines mark changes in how interviews were done, which can shift answers: 1. → mixed mode (2024).
Shares of people who gave an answer. Each column is one wave, evenly spaced rather than to scale in time; hover for exact shares.
| Group | Very likely | Somewhat likely | Not very likely | Not at all likely | n | MoE | |
|---|---|---|---|---|---|---|---|
| All respondents |
| Poll | Field dates | Mode | Respondents | Responses |
|---|---|---|---|---|
| General Social Survey 2024 | 2024-04-05 to 2024-12-02 | mixed | 3,309 | 1,649 |
| General Social Survey 2002 | 2002-02-06 to 2002-06-26 | face to face | 2,765 | 1,393 |
Dashed lines mark changes in how interviews were done, which can shift answers: 1. → mixed mode (2024).
Shares of people who gave an answer. A group’s column is left blank in waves where its effective sample is under 50; hover for exact shares.
| 18% |
| 48% |
| 26% |
| 8% |
| 1649 |
| ±3 |
| Less than high school | 34% | 39% | 17% | 10% | 160 | ±11 |
| High school | 20% | 49% | 25% | 5% | 404 | ±7 |
| Some college | 19% | 46% | 23% | 11% | 498 | ±6 |
| Bachelor's | 8% | 49% | 38% | 6% | 360 | ±7 |
| Postgraduate | 11% | 57% | 20% | 11% | 226 | ±9 |
General Social Survey 2024 · US adults 18+ living in households (English, and Spanish since 2006). Shares of people who gave an answer. n is unweighted; ± is the 95% margin of error at 50% from the weighted effective sample. Groups with an effective sample under 50 are grayed; under 20, hidden.