Graphical Model Description

LinkModel: ecd://Mixnum/Mixed__Number__Subtraction/Evidence__Model__3/Item16LinkModel/
For Task: ecd://Mixnum/Mixed__Number__Subtraction/Seperate__Whole__Number__from__fraction/Item__16/

Variables

NameRoleExternal NameOrderedValues
Skill 1SMYes, No,
Skill 3SMYes, No,
Skills1and3EMYes, No,
isCorrectObservableisCorrectCorrect, Incorrect,

Distributions

( Skill 1, Skill 3, ) -> Skills1and3

Type: HyperDirichlet Distribution

Parameters

Skill 1 Skill 3 Yes No Sum Scale
Yes Yes 1.000000 0.000000 1.000000 1000000000.000000
Yes No 0.000000 1.000000 1.000000 1000000000.000000
No Yes 0.000000 1.000000 1.000000 1000000000.000000
No No 0.000000 1.000000 1.000000 1000000000.000000

Probabilities

Skill 1 Skill 3 Yes No
Yes Yes 1.000000 0.000000
Yes No 0.000000 1.000000
No Yes 0.000000 1.000000
No No 0.000000 1.000000

( Skills1and3, ) -> isCorrect

Type: HyperDirichlet Distribution

Parameters

Skills1and3 Correct Incorrect Sum Scale
Yes 0.908700 0.091300 1.000000 325.000000
No 0.166300 0.833700 1.000000 50.000000

Probabilities

Skills1and3 Correct Incorrect
Yes 0.908700 0.091300
No 0.166300 0.833700