Controls (n = 55) | CUD (n = 129) | Statistics | p-value | |
---|---|---|---|---|
Prisoner’s Dilemma | χ2 = 17.05 | 0.001 | ||
Remain silent – % (n) [CI 95%] | 33 (19) [21–46] | 66 (86) [58–74] | – | – |
Categories of motives (Remain silent) | ||||
Lack of information – % (n) [CI 95%] | 26 (5) [4–48] | 51 (44) [40–62] | χ2 = 4.03 | 0.045 |
Injustice/Internal values – % (n) [CI 95%] | 42 (8) [17–66] | 36 (31) [26–46] | χ2 = 0.21 | 0.646 |
Strategy – % (n) [CI 95%] | 31 (6) [8–54] | 8 (7) [2–14] | χ2 = 7.73 | 0.005 |
Religiosity – % (n) [CI 95%] | 0 (0) [0] | 3 (3) [0–7] | χ2 = 0.69 | 0.406 |
Ultimatum Game | ||||
1° propose – mean of offered chocolates (SD) [CI 95%] | 4.26 (1.30) [3.91–4.61] | 4.03 (1.31) [3.80–4.26] | t = 1.12 | 0.261 |
2° propose – mean of offered chocolates (SD) [CI 95%] | 5.16 (1.59) [4.73–5.58] | 5.19 (2.06) [4.83–5.55] | t = 0.10 | 0.915 |
1° response (acceptance of 2 chocolates) – % (n) [CI 95%] | 39 (22) [26–52] | 66 (86) [58–74] | χ2 = 12.04 | 0.001 |
2° response (acceptance of 4 chocolates) – % (n) [CI 95%] | 73 (25) [57–89] | 74 (32) [60–88] | χ2 = 0.10 | 0.930 |