A data frame with administrative information per item. Includes only items that are part of a Rasch model. See builtin_itemtable for an overview of all currently defined items.
builtin_itembank
A data.frame
with variables:
Name | Label |
key | String indicating a specific Rasch model, either "gsed" , "gcdg" or "dutch" |
item | Item name, gsed lexicon |
tau | Difficulty estimate |
label | Label (English) |
instrument | Instrument code |
domain | Domain code |
mode | Administration mode |
number | Item number |
#> key item tau label instrument #> 1 dutch ddicmm029 1.7 Reacts when spoken to ddi #> 2 dutch ddicmm030 11.3 Smiles in response (M; can ask parents) ddi #> 3 dutch ddicmm031 14.5 vocalizes in response ddi #> 4 dutch ddicmm033 36.0 Says dada, baba, gaga ddi #> 5 dutch ddicmm034 40.9 Babbles while playing ddi #> 6 dutch ddicmm036 43.1 Waves 'bye-bye' (M; can ask parents) ddi #> domain mode number #> 1 cm m 029 #> 2 cm m 030 #> 3 cm m 031 #> 4 cm m 033 #> 5 cm m 034 #> 6 cm m 036