This folder contains multiple documents.
1-This document is entitled “Percentile Tables.” It was published by C.H. Stoelting Company in Chicago and is listed as No. 42007 Benge. It provides a chart with information about speed and accuracy.
2-This document is entitled “Blackstone Stenographic Proficiency Tests.” It was written by E.G. Blackstone, Detroit Teachers College, Detroit, Michigan. It was copyrighted by the World Book Company in 1923. The test has typing exams. Therefore, it is of interest to researchers working on the history of labor as well as histories of mental testing.
3- This document is entitled “New Jersey Reformatory, Rahway, N.J.: Institutional Percentiles on Clinical Tests as of January 1, 1926.” According to annotations, this data is “based on 200 consecutive admissions.”
4-Three identical copies of a document entitled “The Personnel Journal: The Minnesota Mechanical Ability Tests.” It was written by L. Dewey Anderson, Bureau of Educational Experiments, New York. This four-page document appears to be a typed version of an article that was received as a manuscript on February 1, 1928. The manuscript was primarily concerned with three tests: The Minnesota Assembly Test, the Paper Formboard Test, and the Spatial Relations Test. According to the document, the purpose of the article was to “describe the three tests, which have been made highly reliable and which have a good, an already demonstrated, and a statistically sound validity. It is felt that these tests will be of advantage to industry in that they will give the industrial psychologist a reliable means of measuring mechanical ability.”
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