Practitioners Identifying the Characteristics of Giftedness Must Interpret Research Findings

Practitioners identifying the characteristics of giftedness must interpret research findings with great caution because the

A) studies were conducted on separate populations over time, not longitudinally with the same individuals.
B) studies included preponderantly men from advantaged and disadvantaged backgrounds.
C) studies did not include adequate samples of females or members of diverse cultural groups.
D) studies typically examined the intelligence of disadvantaged populations.