TestDesign (version 1.0.2)

item_GPC-class: An S4 class to represent a generalized partial credit item

Description

An S4 class to represent a generalized partial credit item.

Slots

slope

Numeric. A slope parameter value.

threshold

Numeric. A vector of threshold parameter values.

ncat

Numeric. The number of response categories.

References

muraki_generalized_1992TestDesign

Examples

# NOT RUN {
item_5 <- new("item_GPC", slope = 1.0, threshold = c(-0.5, 0.0, 0.5), ncat = 4)
# }