Find the Trial and Grand Juror handbooks, the Confidential Juror Questionnaire (CJQ), and other forms related to jury duty. Find out what to expect when you report to the courthouse for your jury duty.I have to fill out a Juror Questionnaire. But there are two questions, I'm not sure how to answer. Massachusetts law requires that potential jurors complete a Confidential Juror Questionnaire (CJQ), for use during the impaneling of a jury. This chapter discusses issues in jury selection. For discussion of the right to jury trial, and jury waiver, see supra ch. Welcome to jury service in the Commonwealth of Massachusetts on behalf of our court system and the people of Massachusetts. The trial judge in each case has discretion to determine a procedure for examining and selecting jurors designed to maintain juror privacy and dignity. Ever wonder what it's like to serve Massachusetts Jury Duty for a criminal case?