Alcoholics Anonymous is a particularly well-known __________

Nine-year-old Esther helps her mother rolls pieces of cookie dough into balls

Esther notices that after she rolls each ball, it somehow looks smaller than when it was just a piece of dough! But then she realizes that rolling has only changed the shape, without changing the amount of dough. By carefully watching the effect of rolling, Esther shows that she understands A) dynamic transformations. B) working memory. C) inventive spelling. D) subitizing.

When symptoms of posttraumatic stress disorder do not occur until 6 months after the trauma or later, this is referred to as expression

a. delayed b. chronic c. acute d. immediate