Skip to main content

Table 5 Continuity axiom and decision strategy

From: Exploring how individuals complete the choice tasks in a discrete choice experiment: an interview study

  

Average over all four choice tasks (%)

Rotavirus cohort (n = 35)

Motivating decision (continuity axiom)a

 
 

Motivation based on one attribute

7.2

 

Motivation based on two attributes

20.0

 

Motivation based on three or more attributes

72.9

 

Decision strategy for those who acted in accordance with the continuity axiom

 
 

Traded off attribute levels between each other

85.6

 

One attribute was most decisive

11.5

 

Otherwise

2.9

Prostate cancer-screening cohort (n = 35)

Motivating decision (continuity axiom)a b

 
 

Motivation based on one attribute

17.9

 

Motivation based on two attributes

16.4

 

Motivation based on three or more attributes

60.0

 

Decision strategy for those who acted in accordance with the continuity axiom

 
 

Traded off attribute levels between each other

60.0

 

One attribute was most decisive

26.4

 

Otherwise

13.6

  1. aParticipants were marked as acting in accordance with the continuity axiom, only if they motivated their decision based on three or more attributes
  2. bThese numbers do not add up to 100 % because some men did not mention any of the attributes when motivating which scenario they preferred; they chose opt-out (5.7 %)