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MAP score for dichotomous IRT item parameters

Source: R/085-irt-scoring-adaptive-0-9.R
eyeprocess_irt_map_score.Rd

MAP score for dichotomous IRT item parameters

Usage

eyeprocess_irt_map_score(
  response,
  items,
  bounds = c(-6, 6),
  prior_mean = 0,
  prior_sd = 1,
  D = 1
)

Arguments

response

Observed item response or response variable.

items

Item-parameter data frame or item collection.

bounds

Numerical lower and upper optimization bounds.

prior_mean

Mean of the normal latent-trait prior.

prior_sd

Standard deviation of the normal latent-trait prior.

D

Logistic scaling constant.