TestDesign (version 1.0.2)

item_3PL-class: An S4 class to represent a 3PL item

Description

An S4 class to represent a 3PL item.

Slots

slope

Numeric. A slope parameter value.

difficulty

Numeric. A difficulty parameter value.

guessing

Numeric. A guessing parameter value.

References

birnbaum_latent_1968TestDesign

Examples

# NOT RUN {
item_3 <- new("item_3PL", slope = 1.0, difficulty = 0.5, guessing = 0.2)
# }