Johnson O'Connor (January 22, 1891 – July 1, 1973) was an American psychometrician, researcher, and educator. He is most remembered as a pioneer in the study of aptitude testing and as an advocate for the importance of vocabulary.
Johnson O'Connor (January 22, 1891 – July 1, 1973) was an American psychometrician, researcher, and educator. He is most remembered as a pioneer in the study of aptitude testing and as an advocate for the importance of vocabulary. (en)
Johnson O'Connor (January 22, 1891 – July 1, 1973) was an American psychometrician, researcher, and educator. He is most remembered as a pioneer in the study of aptitude testing and as an advocate for the importance of vocabulary. (en)