The rising curve :  long-term gains in IQ and related measures 

 - 1st ed 
 - Washington, DC :  American Psychological Association,  1998 
 - 415 p. :  ill. 
<br/><br/><label>ISBN: </label>9781557985033 /  1,800.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence levels--History--20th century<br/>African Americans--Intelligence levels<br/>Intellect--Genetic aspects
<br/><br/><label>LC Class. No.: </label>BF431  / R595 1998