data.pars1.rasch dataset

Item Parameters for Three Studies Obtained by 1PL and 2PL Estimation

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  • Maintainer: Alexander Robitzsch
  • License: GPL (>= 2)
  • Last published: 2025-09-27

About the dataset

  • Number of rows: 22
  • Number of columns: 4
  • Class: data.frame

Column names and types

  • study:character
  • item:factor
  • a:numeric
  • b:numeric