The object of Miss Rowland's experiments was to find out whether a practical set of tests could be devised which would, on application to a given girl, determine whether she was so deficient mentally as to be unable to profit by the training given in the reformatory. The tests included experiments in reaction time, memory, attention, and direct and indirect suggestibility. The different tests under each heading gave nine records in all. For each record a standard of normality was arbitrarily chosen, and every girl who fell below this standard was marked as failing in the test. A girl who failed in six out of the nine tests was regarded as subnormal. The several tests were selected from the very large material available in the American text-books and psychological journals, and did not include any new features. They were tried on thirty-five girls, of whom eleven were found on the basis of the results to be subnormal. In all but two cases this grading tallied with the estimate formed of the girls' capacity by the superintendent. A comparison with a number of girl students at two American colleges showed that nearly all the tests were successfully passed by educated subjects of similar age to the Bedford inmates. The method appears to be rather rough and ready, and it is vitiated by the arbitrary character of the standard. The choice of the tests is also open to criticism: reaction-time, for instance, is certainly not a reliable index of intelligence. At the end of the paper the author adds the interesting detail that since the date of the experiments a resident psychologist has been installed at Bedford.
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