2002, Form B, Question 3 · 4 points
Magnet therapy for back pain
Describe an experiment testing whether magnets reduce back pain, covering treatments, random assignment and the response measured, then say how the design would change with men and women available.
This exam had six free-response questions, each scored from 0 to 4. Its Question 6, the Investigative Task, is no longer part of the exam. The current exam has 4 free-response questions in 90 minutes. The skills these questions practice still count.
Lessons this question draws on
1 Read the question
The question is College Board's, from the 2002, Form B exam. It starts on page 7 of the PDF. College Board no longer posts this exam, so it opens from the copy of College Board's PDF that the Internet Archive saved on April 16, 2025.
2 Write your answer
Answer each part the way you would on the exam, in full sentences, with your work shown. Your writing saves as you type.
3 Score it
Score your answer against College Board's scoring guidelines, one point at a time. Give yourself a point only when your answer says what the guideline asks for.
Scoring guidelines (PDF, page 8)
Question, scoring guidelines and Chief Reader report: College Board, from the Internet Archive. The title and summary are ours.