SNSequate (version 1.3.1)

ACTmKB: Scores on two 40-items ACT mathematics test forms

Description

The data set contains raw sample frequencies of number-right scores for two multiple choice 40-items mathematics tests forms. Form X was administered to 4329 examinees and form Y to 4152 examinees. This data has been described and analized by Kolen and Brennan (2004).

Usage

data(ACTmKB)

Format

A 41x2 matrix containing raw sample frequencies (raws) for two tests (columns).

References

Kolen, M., and Brennan, R. (2004). Test Equating, Scaling and Linking. New York, NY: Springer-Verlag.

Examples

# NOT RUN {
data(ACTmKB)
## maybe str(ACTmKB) ; plot(ACTmKB) ...
# }