What did german psychologists develop in the 1920s to describe how people tend to organize visual elements into groups? describe how people tend to organize visual elements into groups, or unified wholes, when applying certain principles.

Which of the following is a true statement about a writ of certiorari? a. only a defendant can petition for it. b. only a plaintiff can petition for it. c. the supreme court must grant cert for all requests. d. the supreme court grants cert in a limited number of instances.