Graphical Model Description
LinkModel: ecd://Mixnum/Mixed__Number__Subtraction/Evidence__Model__2/Item12LinkModel/
For Task: ecd://Mixnum/Mixed__Number__Subtraction/Simplify-Reduce__Task/Item__12/
Variables
| Name | Role | External Name | Ordered | Values |
|---|
| Skill 1 | SM | | | Yes,
No,
|
| Skill 2 | SM | | | Yes,
No,
|
| Skills1and2 | EM | | | Yes,
No,
|
| isCorrect | Observable | isCorrect | | Correct,
Incorrect,
|
Distributions
(
Skill 1,
Skill 2,
) ->
Skills1and2
Type: HyperDirichlet Distribution
Parameters
| Skill 1 |
Skill 2 |
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 2 |
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 |
(
Skills1and2,
) ->
isCorrect
Type: HyperDirichlet Distribution
Parameters
| Skills1and2 |
Correct |
Incorrect |
Sum |
Scale |
| Yes |
23.500000 |
3.500000 |
27.000000 |
27.000000 |
| No |
3.500000 |
23.500000 |
27.000000 |
27.000000 |
Probabilities
| Skills1and2 |
Correct |
Incorrect |
| Yes |
0.870370 |
0.129630 |
| No |
0.129630 |
0.870370 |