fit_gaze_anchored_3pl_audit: Fit a standard 3PL and audit lower-asymptote alignment with...

In eyeprocess: Harmonize Eye-Tracking, Pupillometry, Biometrics, and Psychometric Process Data

Fit a standard 3PL and audit lower-asymptote alignment with process evidence

Description

Fits a conventional 3PL response model with 'mirt', then aligns the fitted lower-asymptote parameter with item-level gaze/pupil/RT summaries. The alignment is descriptive and diagnostic. It must not be interpreted as a confirmatory detector of guessing, rapid responding, disengagement, or any other latent behavior without independent validation.

Usage

fit_gaze_anchored_3pl_audit(
  response_matrix,
  process_data = NULL,
  item = "item_id",
  process_features = c("ttff_ms", "dwell_ms", "pupil_bc", "pupil_peak", "rt_ms",
    "accuracy"),
  model = 1,
  SE = FALSE
)

Arguments

response_matrix	Person x item dichotomous response matrix.
process_data	Optional trial/person-item process table.
item	Item identifier in 'process_data'.
process_features	Candidate numeric process features.
model	mirt model specification.
SE	Request standard errors from 'mirt'.

Value

An 'eye_gaze_anchored_3pl_audit' object.

eyeprocess documentation built on Sept. 28, 2026, 5:08 p.m.