// ~->[DNET-1]->~ // File created by AlmondR at FloridaStateU using Netica 4.16 on Oct 01, 2012 at 14:08:11. bnet DiBelloSamejimaFourLevel { AutoCompile = TRUE; autoupdate = TRUE; whenchanged = 1349104308; visual V1 { defdispform = BELIEFBARS; nodelabeling = TITLE; NodeMaxNumEntries = 50; nodefont = font {shape= "Arial"; size= 9;}; linkfont = font {shape= "Arial"; size= 9;}; windowposn = (60, 60, 1040, 495); CommentWindowPosn = (90, 90, 1070, 436); resolution = 72; drawingbounds = (1080, 720); showpagebreaks = FALSE; usegrid = TRUE; gridspace = (6, 6); NodeSet Node {BuiltIn = 1; Color = 0xc0c0c0;}; NodeSet Nature {BuiltIn = 1; Color = 0xf8eed2;}; NodeSet Deterministic {BuiltIn = 1; Color = 0xd3caa6;}; NodeSet Finding {BuiltIn = 1; Color = 0xc8c8c8;}; NodeSet Constant {BuiltIn = 1; Color = 0xffffff;}; NodeSet ConstantValue {BuiltIn = 1; Color = 0xffffb4;}; NodeSet Utility {BuiltIn = 1; Color = 0xffbdbd;}; NodeSet Decision {BuiltIn = 1; Color = 0xdee8ff;}; NodeSet Documentation {BuiltIn = 1; Color = 0xf0fafa;}; NodeSet Title {BuiltIn = 1; Color = 0xffffff;}; PrinterSetting A { margins = (1270, 1270, 1270, 1270); landscape = FALSE; magnify = 1; }; }; node TITLE1 { kind = CONSTANT; discrete = FALSE; parents = (); title = "DiBello Samejima One Parent"; whenchanged = 1349100816; visual V1 { center = (358, 64); font = font {shape= "Arial"; size= 14;}; height = 1; }; }; node Skill { kind = NATURE; discrete = TRUE; states = (High, Medium, Low); levels = (1, 0, -1); parents = (); comment = "Assigned values to the nodes based on the DiBello--Samejima code.\n"; whenchanged = 1349104308; belief = (0.3333333, 0.3333333, 0.3333333); visual V1 { center = (132, 132); height = 2; }; }; node Score4 { kind = NATURE; discrete = TRUE; chance = CHANCE; states = (AlmostAll, Most, Some, AlmostNone); inputs = (Skill); parents = (Skill); probs = // AlmostAll Most Some AlmostNone // Skill (0.5, 0.3455347, 0.1221698, 0.03229547, // High 0.1544653, 0.3455347, 0.3455347, 0.1544653, // Medium 0.03229547, 0.1221698, 0.3455347, 0.5); // Low ; numcases = 1; equation = "p(Score4 | Skill) =\n\ \| (Score4==AlmostAll)? 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_3))) :\n\ \| (Score4==Most) ? 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_2))) -\n\ \| 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_3))) :\n\ \| (Score4==Some) ? 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_1))) -\n\ \| 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_2))) :\n\ \| 1 - 1/(1+exp(-1.7*(A1/sqrt(1)*Skill-B1_1)))\n\ "; whenchanged = 1349104298; belief = (0.2289203, 0.2710797, 0.2710797, 0.2289203); visual V1 { center = (462, 132); height = 3; }; }; node A1 { kind = CONSTANT; discrete = FALSE; levels = (0, 2); parents = (); EqnDirty = TRUE; title = "Score4-A"; comment = "Discrimination for Score1"; whenchanged = 1349104186; evidence = #0; value = 1; visual V1 { center = (618, 102); height = 5; }; }; node B1_1 { kind = CONSTANT; discrete = FALSE; levels = (-3, 3); parents = (); EqnDirty = TRUE; title = "Score4-B1"; comment = "Difficulty for Partial Credit or above."; whenchanged = 1349104277; evidence = #0; value = -1; visual V1 { center = (624, 132); height = 4; }; }; node B1_2 { kind = CONSTANT; discrete = FALSE; levels = (-3, 3); parents = (); EqnDirty = TRUE; title = "Score4-B2"; comment = "Difficulty for Full Credit or above."; whenchanged = 1349104285; evidence = #0; value = 0; visual V1 { center = (624, 162); height = 6; }; }; node B1_3 { kind = CONSTANT; discrete = FALSE; levels = (-3, 3); parents = (); EqnDirty = TRUE; title = "Score4-B3"; comment = "Difficulty for Full Credit or above."; whenchanged = 1349104293; evidence = #0; value = 1; visual V1 { center = (624, 192); height = 7; }; }; ElimOrder = (Skill, Score4); };