Purpose: Of the three currently recognized variants of primary progressive aphasia, behavioral differentiation between the nonfluent/agrammatic (nfvPPA) and logopenic (lvPPA) variants is particularly difficult. The challenge includes uncertainty regarding diagnosis of apraxia of speech, which is subsumed within criteria for variant classification.…

Compared the standard scores and age scores obtained from the Peabody Picture Vocabulary Test (PPVT)(1965) and the Revised Peabody Picture Vocabulary Test (PPVT-R)(1981) with (N=88) preschool children. Results found the mean PPVT IQ and Mental Age scores were significantly higher. Discusses implications for using the PPVT-R. (Author)

Forty preschool Negro children took part in a study to test the effect of oral response versus listening in improving the spoken language of disadvantaged children. It was hypothesized that children who echo and produce sentences in response to an instruction to select the appropriate picture to match a spoken sentence would show greater verbal…

Cognitive self-instructional (CSI) programs have been successful in improving problem-solving skills in many, but not all, children. The importance of understanding the influence of subject characteristics in self-control studies, while often ignored in actual research, has been repeatedly advocated verbally. This paper presents a study designed…