Oxford Capacity Analysis

The Oxford Capacity Analysis (OCA), also known as the American Personality Analysis, is a list of questions which is advertised as being a personality test and that is administered for free by the Church of Scientology. The OCA test is offered by the Church of Scientology online, at its local churches, and sometimes at local fairs, carnivals, and in other public settings. It has no relation to the University of Oxford, although the name may have been chosen to imply so.

The test is an important part of Scientology recruitment and is used worldwide by the Church of Scientology to attract new members. However, it is not a scientifically recognized test and has been criticized by numerous psychology organizations, who point out that it is "not a genuine personality test" and allege that Scientologists use it in a "highly manipulative" and "manifestly unethical" fashion.

Two hundred questions make up the Scientology personality test. Each can be answered yes, no, or maybe. Typical questions:

The OCA test is often given at the same time as a "Novis Mental Ability Test," a short 30 minute test which is claimed to measure IQ. After the two tests have been completed, a computer program is used to plot the results on a personality profile graph. This gives the testee's IQ rating and score in personality characteristics such as "Stable," "Happy," "Composed," "Certainty," "Active," "Aggressive," "Responsible (Causative)," "Correct Estimation" (meaning the testee's ability to look at a situation and determine what is needed to deal with it), "Appreciative," and "Comm[unication] Level" (meaning the testee's ability to communicate with others).

The scale on the graph of each trait ranges from +100 to −100, with three main bands marked "Desirable State" (+100 to +30), "Normal" (+30 to 0) and "Unacceptable State" (0 to −100). In the middle are two shaded bands, "Acceptable under perfect conditions" (about +32 to about +6) and "Attention Desirable" (about +6 to about −18). A legend at the foot of the graph sheet warns that a point below the latter band indicates "Attention Urgent."

After the graph has been plotted, a Scientology staff member reviews the results with the testee.

Even before the Church of Scientology had fashioned its own test, founder L. Ron Hubbard made personality tests central to his religion. In his 1951 book Science of Survival, he recommended the use of existing psychometric exams, including the California Test for Mental Maturity.

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