/// <summary>
/// Prompt the learner modeling component to update its denominator masteries.
/// </summary>
/// <param name="session">Session</param>
/// <param name="addTopic">Topic used in addition</param>
/// <param name="subTopic">Topic used in subtraction</param>
private void UpdateDenominatorMastery(StabilizationSession session, SceneTopic addTopic, SceneTopic subTopic)
{
if (this.learnerModelingComponent == null)
{
InitializeLearnerModelingComponent();
}
//Update the denominator mastery
List <int> correctAddition = new List <int>(session.GetDenominaorsIn(true, SessionTags.Operation.ADDITION));
List <int> correctSubtraction = new List <int> (session.GetDenominaorsIn(true, SessionTags.Operation.SUBTRACTION));
List <int> wrongAddition = new List <int> (session.GetDenominaorsIn(false, SessionTags.Operation.ADDITION));
List <int> wrongSubtraction = new List <int> (session.GetDenominaorsIn(false, SessionTags.Operation.SUBTRACTION));
List <int> denominators = new List <int> (session.GetAllDistinct());
float additionCount = 0f;
float subtractionCount = 0f;
float correctAdditionCount = 0f;
float wrongAdditionCount = 0f;
float correctSubtractionCount = 0f;
float wrongSubtractionCount = 0f;
float scoreAdd = 0f;
float scoreSub = 0f;
foreach (int denominator in denominators)
{
//number of times denominator was used correctly in addition
correctAdditionCount = correctAddition.FindAll(x => x == denominator).Count;
//number of times denominator was used wrongly in addition
wrongAdditionCount = wrongAddition.FindAll(x => x == denominator).Count;
//number of times denominator was used correctly in subtraction
correctSubtractionCount = correctSubtraction.FindAll(x => x == denominator).Count;
//number of times denominator was used wrongly in subraction
wrongSubtractionCount = wrongSubtraction.FindAll(x => x == denominator).Count;
//total occurences of denominator in addition
additionCount = correctAdditionCount + wrongAdditionCount;
//total occurences of denominator in subtraction
subtractionCount = correctSubtractionCount + wrongSubtractionCount;
//if denominator did occur in addition...
if (additionCount != 0)
{
//correct over all occurences = score
scoreAdd = correctAdditionCount / additionCount;
// TODO: Removed this 3
// scoreAdd = scoreAdd - (float)(session.SessionTime () / session.GetSceneAvgSolveTime ());
//update the learner modeling component's mastery for that denominator in addTopic (addition topic)
this.learnerModelingComponent.UpdateDenominatorMastery(denominator, scoreAdd, addTopic);
}
//if denominator did occur in subtraction...
if (subtractionCount != 0)
{
//correct over all occurences = score
scoreSub = correctSubtractionCount / subtractionCount;
// TODO: Removed this 4
// scoreSub = scoreSub - (float)(session.SessionTime () / session.GetSceneAvgSolveTime ());
//update the learner modeling component's mastery for that denominator in subTopic (subtraction topic)
this.learnerModelingComponent.UpdateDenominatorMastery(denominator, scoreSub, subTopic);
}
}
}
