“Vocabulary level is the best predictor of overall success in school and performance on the SAT-Verbal and other similar tests.”

— Johnson O’Connor Research Foundation

 

Based on a 20-year study of college graduates, students “…who had scored highest on the vocabulary test given in college were in the top income group, while those who scored the lowest were the in bottom income group.”

— Earl Nightingale

“Total vocabulary has the highest correlation with overall IQ of any individual measure of intelligence.”

— Wikipedia, http://www.wikipedia.org/

 

“The richness of a person’s vocabulary is popularly thought to be a reflection of intelligence or level of education.”

— Wikipedia, http://www.wikipedia.org/

 

Direct and explicit instruction of a set number of vocabulary words will improve academic success in all content areas.

— Baumann and Kameenui 1991; Stanovich 1986; Becker 1977

 

“Having a strong vocabulary is of particular importance to students in that it contributes significantly to achievement both in the subjects of their school curriculum and also on standardized tests.”

— Jerome Shostak, author, Vocabulary Workshop program, Sadlier-Oxford Educational Publishing, New York, NY

 

“Teaching students 350 words each year may improve learning by as much as 10 to 30%.

— Stahl and Fairbanks, 1986

 

“Vocabulary is one score a person can raise. Since a high vocabulary is linked with professional success, increasing one’s command of words can increase workplace profit and advancement. Vocabulary widens (or shrinks) your horizons. The size of your vocabulary indicates the breadth of your knowledge. The larger your vocabulary, the larger the group of people with whom you can comfortably communicate. As your vocabulary expands, so does your world.”

 

— Johnson O’Connor Research Foundation

 

“Growth in reading power means, therefore, continuous enriching and enlarging of the reading vocabulary and increasing clarity of discrimination in appreciation of word values.”

— The National Society for Studies in Education (NSSE) Yearbook, Whipple, 1925