The effects of compensatory education programs in the United States during the past 20 years are discussed. The author believes the programs have had the least impact on scholastic achievement and intelligence quotient (IQ). The theoretical view of human intelligence and prevailing views of psychologists and educators of the 1960's regarding the…

Arthur Jensen replies to the critique by Steven Selden. He points out that scientists' choices of subject matter are subjective, but heritability of intelligence is no longer argued among experts. (MD)

Chronometric methods of cognitive assessment of learning disabled students which measure speed of response to elementary cognitive tasks requiring minimal prior knowledge are discussed. Chronometric techniques known to correlate with IQ and other indexes of mental efficiency and scholastic proficiency are described. (Author/DB)

This study examines the nature of the highly variable black-white difference across diverse tests and indicates the major systematic source of this between-population variation, namely, Spearman's g. Eleven large-scale studies (discussed in the appendix), each one comprising anywhere from 6 to 13 diverse tests, show a significant and substantial…