Variables described in main text | | |
1 | offer max value A | QA |
2 | offer value A | [pA]∧α * QA |
3 | offer risk A | sqrt[pA * (1 − pA)] * QA |
4 | offer max value B | QB |
5 | offer value B | [pB]∧α * QB |
6 | offer risk B | sqrt[pB * (1 − pB)] * QB |
7 | binary choice | 1 if A chosen, 0 if B chosen |
8 | weighted choice A | pA if A chosen, 0 if B chosen |
9 | weighted choice B | 0 if A chosen, pB if B chosen |
10 | risky choice | 1 if p of chosen offer is <1, 0 otherwise |
11 | chosen max value | offer max value of chosen offer |
12 | chosen value | ρ * offer value A if A chosen, offer value B if B chosen |
13 | chosen risk | risk of chosen offer |
14 | got juice | 1 if juice delivered, 0 if poor luck trial |
15 | taste A | 1 if A chosen and delivered, 0 otherwise |
16 | taste B | 1 if B chosen and delivered, 0 otherwise |
17 | received value | chosen max value * got juice |
18 | received value A | QA if A chosen and delivered, 0 otherwise |
19 | received value B | QB if B chosen and delivered, 0 otherwise |
20 | win bet | risky choice * got juice |
21 | risk outcome | chosen risk * got juice |
Other variablesb | | |
22 | offer value A (EV) | pA * QA |
23 | offer value A (MA) | [pA]∧mean(α) * QA |
24 | offer value A (dU) | pA * [QA]∧(1/α) |
25 | offer value B (EV) | pB * QB |
26 | offer value B (MA) | [pB]∧mean(α) * QB |
27 | offer value B (dU) | pB * [QB]∧(1/α) |
28 | chosen value (EV) | ρ * offer value A (EV) if A chosen, offer value B (EV) if B chosen |
29 | chosen value (MA) | ρ * offer value A (MA) if A chosen, offer value B (MA) if B chosen |
30 | chosen value (dU) | ρ∧(1/α) * offer value A (dU) if A chosen, offer value B (dU) if B chosen |