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The Effects Of Physostigmine Sulfate On Inferential Learning In The Rat, Stephen Frederic Johnsen

Student Work

The following study has arisen out of an interest in the recent work done on the chemistry of neural transmission. Since experimentation has indicated that certain chemicals affect some lower level learning performance of animals such as maze performance, this experiment is an attempt to find out whether the same effects hold for such a chemical on higher order learning processes, as indicated by Maier's three-table-test.

The Test-Retest Performance Of 427 Institutionalized Mentally Retarded Individuals On The 1937 Revision Of The Stanford-Binet Intelligence Scale, David C. Ihrig

Student Work

Rothstein (1962, pp. 582, 583) in summarizing some of the findings which were issued at the 1960 meeting of the White House Conference on Children and Youth stated:

That there are 5,000,000 retarded individuals of all ages in America ....That 95 out of 100,000 citizens in the United States are receiving care in residential institutions for the mentally retarded....That, of the number of retarded individuals admitted to state institutions for the first time, 85 percent are under 20 years of age ... The proportion of institutionalized educable retarded individuals is dropping, hut the proportion of institutionalized children with I.Q.s below …

The Progressive Matrices (1938) With Chronic Brain Disorder And Chronic Schizophrenic Subjects, Ellis L. Schultz

Student Work

This is a report of a study which investigated the performance of two experimental groups of adult psychiatric patients and one group of noninstltutional control subjects on Sets A, B, C, D, and E of the 1956 revised edition of the Ravens Progressive Matrices (1938 Fora, referred to throughout this paper as the PM). The two experimental subject groups consisted of a chronic schizophrenic reaction group and a chronic brain disorder without-psychosis group.