The constructed-response question on this page measured analysis and interpretation skills for the historical theme of World Role. Students were asked to identify a factor that led to U.S. involvement in the Korean War and explain its significance. Student responses were scored according to a 3-point scale as "Complete," "Partial," or "Inappropriate." The sample response below is an example of a "Complete" response.
Overall, 14 percent of twelfth-graders' responses were rated "Complete. When only the students at the Proficient level are considered, 54 percent of responses were scored as "Complete."
See more about this question in the NAEP Questions Tool.
View this question, at score 355, on a map of NAEP U.S. history items.
Find out what the U.S. history assessment measures.