Studies by the late English psychologist Cyril Burt of IQ scores of separated twins strongly suggested that intelligence was inherited. A summary of recent research costs doubt upon the validity of Burt's work. (SL)

Article describes results of a longitudinal study on measuring intelligence of infants. Results cast serious doubt on the notion of measuring general intelligence in the period of infancy. (PS)

Discusses an alternative approach to intelligence tests as a measure of intelligence. The approach is based on three classes of performance dealing with a person's choice of an internal representation for a problem, strategies for manipulating the representation, and abilities to execute elementary information processing steps required by the…