The anxiety and worry are associated with three (or more) of the following six symptoms (with at least some symptoms present more days than not for the past 6 months (note: only one item is required in children): (1) restlessness or feeling keyed up or on edge (2) being easily fatigued (3) difficulty concentrating or mind going blank (4) irritability (5) muscle tension (6) sleep disturbance (difficulty falling or staying asleep, or restless unsatisfying sleep)

According to the chapter I'm Warning You about compliance to warnings, the findings of Research Study

3 (High Cost)clearly show that (a) compliance is partially genetic (b) compliance is related to the environment we live in (c) compliance is not usually impacted by a confederate (d) compliance is impacted by the influence of a confederate, under conditions of high cost to the participant

ERP and fMRI measures of brain activity indicate that second-language processing is

A) more lateralized, and also overlaps more with brain areas devoted to first-language processing, in older than in younger learners. B) less lateralized, and also overlaps less with brain areas devoted to first-language processing, in older than in younger learners. C) better developed in adults who take language classes than in young children who immigrated to the United States in infancy. D) shared between the left and right hemispheres of the brain, whereas first-language processing is primarily located in the right hemisphere.