Table 1 summarises a field study in which shoppers were asked to donate at a supermarket exit. In each condition, the collector was either alone or accompan...
Question 1 Report
Table 1 summarises a field study in which shoppers were asked to donate at a supermarket exit. In each condition, the collector was either alone or accompanied by other apparent donors.
(a) Identify the condition with the highest donation rate. [1]
(b) Describe the pattern in the results. [1]
(c) Evaluate whether these results prove that seeing donors causes people to give money. [2]
Table 1
| Condition | Number approached | Number donating | Donation rate (%) |
|---|---|---|---|
| Collector alone | 80 | 12 | 15 |
| One apparent donor nearby | 82 | 21 | 26 |
| Three apparent donors nearby | 79 | 31 | 39 |
Answer Details
(a) Three apparent donors nearby [1] (b) Donation rate rises as the number of apparent donors increases, from 15% to 26% to 39% [1]. (c) It does not prove causation because other factors may differ between conditions, such as time of day or which shoppers passed by [1]; these uncontrolled variables could affect donations [1].
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