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Table 2 Examples of search algorithm used in the PTO-tasks

From: The equivalence of numbers: The social value of avoiding health decline: An experimental web-based study

Choice

Vote

2. Choice

Vote

3. Choice

Vote

4. Choice

Vote

PTO calculation

A

B

 

A

B

 

A

B

 

A

B

  

100

100

A

100

110

A

100

130

A

100

170

Indiff.

100 A = 170 B

100

100

B

100

90

B

100

70

A

100

80

A

100 A = 85 B

100

500*

A

100

700

B

100

600

B

100

550

Indiff.

100 A = 550 B

  1. Note: Each row shows a series of hypothetical choices between two interventions A and B that could be offered to the specified number of patients each, and responses to the choices. * Arrived at after having consequently voted for A in the preceding choices