Barker Observes Children and Rates Them on a Scale According

Multiple Choice

Barker observes children and rates them on a scale according to how frustrated they get when they cannot get what they want, at how they react when they are overstimulated by too much activity in their environment, and how easily they are comforted by their parent when they are upset. The scale that Dr. Barker is using would best be considered a measure of which of Mary Rothbart's basic dimensions of temperament?

A) extroversion
B) effortful control
C) difficulty
D) negative affectivity