Acronym

Description

Mean

St. D

Min

Max

t₁

Exogenous threshold⁴ (t₁) for the first question

29.77

14.19

10

50

t₂

Endogenous threshold (t₂) for second question

36.93

14.77

5

60

I₁

Discrete response of the 1^st question (1 = yes, 0 = no)

0.91

0.283

0

1

I₂

Discrete response for 2^nd question (1 = yes, 0 = no)

0.83

0.380

0

1