The essentials of mental measurement / by William Brown.

  • Brown, William, 1811-
Date:
1911
Catalogue details

Licence: In copyright

Credit: The essentials of mental measurement / by William Brown. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    CHAPTER III SOME EXPEEIMENTAL RESULTS* The research to be described in this chapter was devised for the purpose of determining to what extent correlation exists between certain very simple mental abilities in cases where the individuals experimented upon are, as near as may be, identically situated with respect to previous practice, general training, and environ- ment ; and how closely, if at all, these elementary abilities are related to general intellectual ability as measured by teachers' judgments, school marks, etc. Every effort was made to keep the groups of individuals tested as homogeneous as possible; and instead of measuring irrelevant factors and correcting for them in the later stages of the research, the influence of such irrelevant factors was excluded right from the beginning by a rigorous segregation of the material, and in other ways. The groups of individuals to which the tests were applied, were as follows: Group I, 66 boys of a London elementary school, all between the ages 11 and 12. Group II, 39 girls of a London elementary school, all between the ages 11 and 12. Group III, 40 boys of a London higher grade school, all between the ages 11 and 12. Group IV, 56 training college students (women), of the same year and of approximately the same age. Group Va, 35 university students (men). [Group V6, 23 university students (women).] * Published in the British Journal of Psychology, Vol. in. Pt. 3, Oct. 1910. A few unimportant alterations have been made, and a summary of the results has been added.