Growth in Intellectual Ability as Measured by Repeated Tests

On the growth of intelligence.

“…i These data are in agreement with other investigators' findings on retests of the same individuals.} Freeman and Flory (13) The general appearance of the Wechsler-Bellevue weighted score curve for the Berkeley Growth Study gives the impression that it could very well fit on as a continuation of the 17-year mental age curve. But to put the two curves into a single continuum would require transposing the scores into comparable units.…”

Rorschach Studies Reveal Possible Misinterpretations of Personality Traits of the Gifted

“…While many people (Freeman and Flory, 1937;Dearborn and Rothney, 1941;Ebert andSimmons, 1943, Bayley, 1949;Sontag, Baker and Nelson, 1958;Inhelder and Piaget, 1958) have reported investigation of the personality of gifted children and have generally concluded in positive characteristics reflective of superior development, Ketcham (1957) sees that these same positive characteristics may be misinterpreted and the child viewed in a less than favorable manner: Several important personal characteristics of gifted children are liable to confuse and mislead their parents and teachers. The gifted child's curiosity, persistence, purposefulness and sensitivity frequently irritate adults and take on the appearance of disobedience, inattention, and instability.…”

The stability of WAIS-R IQ for 16-year-old students retested after 3 and 8 months

“…It seems likely that meaningful increases in IQ over the sixteenth and seventeenth years are due to maturation and education. Such conclusions about adolescent intelligence were reached many years ago (Bayley, 1957;Freeman & Flory, 1937) and continue to be acknowledged in recent texts that address the assessment of adolescent intelligence (Kaufman, 1990;Sattler, 1988). The link between education and IQ gains found support in the present study.…”