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Competence belief
formation
nAssumption:
nCompetence ratings are viewed as
samples drawn from a distribution
with steady mean and variance
nCompetence
belief formation is formulated as a parameter estimation problem
nUse normal distribution to approximate underlying
distribution
nCompetence belief value:
nEstimated mean
nIt is also the mode & expected value
nPredictability:
nConstruct a 90% confidence interval
nInteraction number < 45: Student distribution
nOtherwise: Normal distribution
nLength of confidence interval