The Pressey X-O test was a psychological test created in 1921 by
Sidney L. Pressey Sidney Leavitt Pressey (Brooklyn, New York (state), New York, December 28, 1888 – July 1, 1979) was professor of psychology at Ohio State University for many years. He is famous for having invented a teaching machine many years before the idea ...
.
The test consisted of a list of words. A subject was instructed to cross out the words on this list that they felt had unpleasant meanings. It was meant to measure strength and content of emotional responses.
The test was of both low
reliability and
validity
Validity or Valid may refer to:
Science/mathematics/statistics:
* Validity (logic), a property of a logical argument
* Scientific:
** Internal validity, the validity of causal inferences within scientific studies, usually based on experiments
** ...
and guidelines for the interpretation of scores were poor.
[{{cite book , last=Reisman , first=John , date= , title=A History of Clinical Psychology , url= , location= , publisher=Brunner-Routledge , page=136 , isbn=1-56032-041-9 , access-date= ]
References
Mental disorders screening and assessment tools