An increase in group performance such that the group outperforms the individuals who comprise the group is called

Which of the following people provides the most accurate information on the revision phase of writing?

a. Satyajit: "Students usually spend very little time in revising a paper they have written." b. Yasujiro: "Students typically underestimate the amount of time they spend in revising their papers." c. Margarethe: "When students are asked to revise sentences written by another person, they typically focus on the organizational problems." d. Luís: "Students are remarkably accurate when identifying the specific grammatical errors in an essay."

Jason is an infant whose parents speak English in the home. When his parents are at work, Jason stays in a family day care home where all the employees speak only Spanish. Jason is experiencing

a. multilingualism. b. a confirmation of the critical period hypothesis. c. sequential bilingualism. d. simultaneous bilingualism.