The American Psychiatric Association (APA) has updated its Privacy Policy and Terms of Use, including with new information specifically addressed to individuals in the European Economic Area. As described in the Privacy Policy and Terms of Use, this website utilizes cookies, including for the purpose of offering an optimal online experience and services tailored to your preferences.

Please read the entire Privacy Policy and Terms of Use. By closing this message, browsing this website, continuing the navigation, or otherwise continuing to use the APA's websites, you confirm that you understand and accept the terms of the Privacy Policy and Terms of Use, including the utilization of cookies.

×
ARTICLENo Access

THE RELATION OF EXTROVERSION-INTROVERSION TO INTELLIGENCE AND TUBERCULOSIS

Published Online:https://doi.org/10.1176/ajp.86.4.687

1. Nine hundred normal individuals have been examined by the Neymann-Kohlstedt test.

2. Most individuals fall into one of the two groups, the introverts and the extroverts.

3. Intelligence and introversion do not coincide.

4. The average tuberculosis patient has a strong leaning toward introvertive qualities.

5. The introvertive qualities decrease as pulmonary tuberculosis becomes progressive and the patient becomes bed-ridden.

Access content

To read the fulltext, please use one of the options below to sign in or purchase access.