Which of the following statements is primarily true about the relationship between a student’s first and second language acquisition?
a) cognitive development in l1 should be discontinued through the elementary years in order to achieve cognitive and academic success in l2.
b) cognitive development in l1 should be limited through the elementary years in order to achieve cognitive and academic success in l2.
c) students who receive formal schooling in l1 do better in acquiring l2 than students with no schooling in l1.
d) students who receive formal schooling in l1 do worse at acquiring l2 than students with no schooling in l1.

To what kinds of messages might the brain respond to keep you balanced on one foot?

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

Thoreau’s actions in civil disobedience and the 1955 bus boycott are similar because both thoreau and the boycotters were