KB36_t {SNSequate}

Data on two 36-items test forms

Description

The data set contains item parameters estimates following a 3PL model for two 36-items tests forms, rescaled using mean-sigma method's A and B using all common items except item 27. This data has been described and analized by Kolen and Brennan (2004), Table 6.8.

Usage

data(KB36_t)

Format

A dataframe where each column represent item parameter estimates of forms X and Y, with their respective p-values.

References

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

See Also

KB36

Examples

data(KB36_t)