2PL response item information

2PL response item information

Usage

process_item_information(
  theta,
  a,
  b,
  process_information = 0,
  rt_information = 0,
  weights = c(response = 1, rt = 0, process = 0),
  expected_time = 0,
  burden_weight = 0
)

Arguments

theta

Latent-trait values.

a

Item discrimination parameter or parameters.

b

Item difficulty/location parameter or parameters.

process_information

Information supplied by the process channel.

rt_information

Information supplied by response time.

weights

Weights used to combine information components.

expected_time

Expected response time or burden.

burden_weight

Penalty applied to expected burden.