Whether recollection is a threshold or signal detection process is highly controversial, and the controversy has centered in part on the shape of receiver operating characteristics (ROCs) and z-transformed ROCs (zROCs). U-shaped zROCs observed in tests thought to rely heavily on recollection, such as source memory tests, have provided evidence in…

The effects of errorless discrimination training (Sulzer and Mayer) on visual and auditory discrimination of digraphs of a learning disabled eight-year-old female resulted in a successful technique for digraph discrimination. (Author/PN)

One of the changes in the test stimuli of the Wechsler Intelligence Scale for Children III (WISC-III) was the addition of color artwork on the Picture Completion (PC) and Picture Arrangement (PA) subtests. While the reactions of children and examiners to the color were positive during pilot testings and tryout, studies examining the effect of…