1. Distribution of reaction times of retardates and normals;Baumeister;American Journal of Mental Deficiency,1968
2. Intrasubject response variability in relation to intelligence;Baumeister;Journal of Abnormal Psychology,1968
3. Reaction time variability of mental defectives and normals;Berkson;American Journal of Mental Deficiency,1967
4. High speed memory scanning in mental retardates: Evidence for a central processing deficit;Harris;Journal of Experimental Child Psychology,1974
5. Varieties of cognitive power;Hunt,1976