About _____ percent of older Americans have remained unmarried and childless throughout their lives

Which of the following is NOT true of eidetic imagery?

a. It is much more common in children than in adults. b. It seems to vary from person to person. c. Children with eidetic imagery outperform other children on tests of memory. d. Some people can produce eidetic images of three-dimensional objects.

In order to remember his grocery list, 12-year-old Andy organizes the list into food groups (i.e., dairy, grains, junk food). Andy is using

a. his fluid intelligence. b. a mnemonic device. c. his metacognition. d. adolescent egocentrism