According to attachment theory, what shapes expectation and interactions in relationships to others throughout a child's life?

Nine-year-old Bobby has no problem understanding that the 20-year-old who sometimes stays with him is both a student and a baby-sitter. According to Piaget, Bobby's thinking is no longer characterized by

conservation. object permanence. overregularization. centration.

Dr. Whittier believes that many intelligence tests sample knowledge and skills that not all groups of children have had equal opportunity to learn. Dr. Whittier’s belief reflects the controversial question about whether ethnic differences in IQ have to do with __________

A) heritability B) multiple intelligences C) test bias D) SES