Returns a data frame with one row per participant × questionnaire
administration × item. Useful for factor analysis, IRT, or item-level
reliability checks.
Usage
items_long(obj, include_meta = TRUE)
Arguments
- obj
A tallier_export or tallier_study object.
- include_meta
Logical. If TRUE (default), participant metadata
columns are included.
Value
A data.frame with columns: participant metadata (optional),
questionnaire_id, completed_at, item_id, response.
