__________ control(s) attention by inhibiting impulses and flexibly directing thought and behavior, coordinating information in working memory, and planning

Worldwide, there is an average gap of 2 to 4 years between children in families. In developing countries, this is especially accurate due to:

a. the cost associated with bringing another child into the family. b. the traditional culture pattern of a having a child that acts as "head" of the other children. c. breastfeeding for two years. This acts as a natural contraceptive. d. desire to space children in different academic years in school.

Although not all experts agree, some maintain that IQ tests are fair to both majority and minority children because

A) IQ tests are the only available between-race comparisons of mental ability. B) any biases against one group are offset by comparable biases against the other group. C) IQ tests predict academic achievement equally well for both groups. D) IQ tests are far less biased than other ability measures, such as dynamic assessment.