Returns the current ability estimate.

get_current_ability_estimate(
  test_state,
  opt,
  estimator = opt$next_item.estimator
)

Arguments

test_state

A test_state object as provided to stopping rules in new_stopping_rule.

opt

Test options as defined by adapt_test_options.

estimator

The estimation method to use when computing the current ability estimate; see the next_item.estimator argument in adapt_test_options.

Value

A numeric scalar corresponding to the current ability estimate, with its standard error provided as the sem attribute.