Because a defensive test-taking approach is likely to suppress the clinical scales, a K correction is added to five of the MMPI-2 clinical scales (lIHs, 41Pd, 71Pt, 8/Sc, 91Ma) to compensate for this defensiveness. This correction is obtained by taking a designated fraction of K and adding it to the relevant scale (see directions in Appendix G on p.690). However, the basis of the K correction has been called into question. It has been omitted from the MMPI-A, and the MMPI-2 contains separate scoring sheets with and without the K correction so that examiners can decide whether they wish to use it.