The study investigated the effects of three stages of instructional manipulation on first- and second-grade students who were functioning at a frustration level. (Author/SBH)

Performances of 18 retarded young adults on the Porteus Maze Test (a measure of planning capacity and foresight) were compared with those of 117 first- through fourth-grade nonretarded children. (Author)

Incidence rates derived from prospective studies of 120,000 newborns were applied to live births and induced abortions in order to estimate the trend of Down's syndrome in New York State after liberalization of the abortion law in 1970. (Author)

The monosyllabic word discrimination of 12 normal and 12 hearing-impaired children (8-13 years old) was evaluated in situations selected to simulate acoustical conditions in current educational environments. (Author)

The behavior of eight hyperactive children was compared to 16 controls (9-10 years old) in two different classroom settings: an informal setting which involved choice and variety of tasks; and a formal setting which involved teacher specification of a small number of tasks. (Author/CL)

A case of intrauterine cytomegalovirus infection with onset of autistic symptoms apparently after 6 months of age is reported. (Author)

The relationships between motor impairment and five types of behavior disturbance were examined in 713 students between the ages of 6 and 14 years, using the Test of Motor Impairment and the Bristol Social Adjustment Guides. (DL S)

To determine whether moderate enlargement of the third brain ventricle or the temporal horns of the lateral ventricles was associated with hypothalamic dysfunction, 15 mentally retarded Ss (ages 12-25 years) with such characteristics were studies. (DLS)

Twenty-four language-disordered children (ages 3-8 years) were trained, through modeling with a problem-solving set, to produce a question form involving a "wh" word--"who", "what", or "where"--in a structure requiring either auxiliary "is" or auxiliary "does." (Author)

The relationship of visual field to brain function is examined in research, and the correlation of gifted students' use of visual field of Piagetian theories of formal logical thought is analyzed. (C L)

Various testing-the-limits procedures were employed in administering the Raven Coloured Progressive Matrices test to 108 subjects with learning difficulties (age range 8.4 to 12.9 years). (Author)

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Investigated with 18 hyperactive boys (5 to 12 years old) and 18 controls were the effects of methylphenidate on a number of objective measures of activity level and attention on three repeated occasions in four types of settings: free play, movie viewing, testing, and restricted play periods. (Author/SBH)

Following the dynamic approach, it was hypothesized that 28 enuretic children (7 to 9 years old) would differ from nonenuretics in having more difficulty in expressing overt aggression toward their mothers than toward a neutral figure. (Author/SBH)