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Please look at Card I-4. A gardener has an idea that a plant needs sand in the soil for healthy growth. In order to test her idea she uses two pots of plants. She sets up one pot of plants as shown on the top part of the card. Which one of the pictures on the bottom part of the card shows what should she use for the second pot?
Science quiz: designing a plant experiment with sand · Asked in 1 wave, 2008 · 1,314 responses · weighted estimates computed from individual responses
| Group | Sunlight. sand and water | Dark cupboard. sand, soil, and water | Dark cupboard. soil and water | Sunlight. sand and soil | Sunlight. soil and water | n | MoE | |
|---|---|---|---|---|---|---|---|---|
| All respondents | 10% | 15% | 4% | 13% | 58% | 1314 | ±3 | |
| White | 8% | 13% |
General Social Survey 2008 · 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.
| Poll | Field dates | Mode | Respondents | Responses |
|---|---|---|---|---|
| General Social Survey 2008 | 2008-04-17 to 2008-09-13 | face to face | 2,023 | 1,314 |
| 3% |
| 12% |
| 63% |
| 921 |
| ±4 |
| Black | 9% | 23% | 8% | 22% | 39% | 193 | ±9 |
| Hispanic | 14% | 15% | 7% | 12% | 51% | 147 | ±10 |
| Asian † | 31% | 11% | – | 9% | 50% | 38 | ±18 |
| Other † | Too few respondents | – | – | – | – | – | 15 | ±29 |