The built-in variable named
contains descriptions of all items found in the
data.frame with variables:
|Item name, gsed lexicon|
Data are collected by the members of the Global Scales for Early
Development (GSED) group.
itemtable is created by
May 30, 2022 - added gto (LF) and gpa (SF) items
June 1, 2022 - added seven gsd items
Nov 24, 2022 - Added instruments gs1, gs2
Dec 01, 2022 - Labels of gto replaced by correct order. This change invalidates any analyses done on LF done after May 30, 2022 !!!
Dec 05, 2022 - Redefines gs1 and instrument for Phase 2, removes gs2 (139) Adds gl1 (Long Form Phase 2 items 155)
Jan 05, 2023 - Adds 55 items from GSED-HF