This uses item model 2 to create number series items - Understanding of object categorisation.
Usage
imTwo(cat = 2, items = 4, random = FALSE)
Arguments
cat
Length of categorical groups per question.
items
The number of items you want to generate.
random
To randomise the position of the numeric values.
Details
Sequences consist of elements belonging to two homogeneous groups with equal number of elements. Missing element belongs to the group with fewer elements present in the sequence. For example, 1 1 1 5 5 (5).