                              1987 Pilot Study
                          NES DATASET NUMBER 1987.PN

                              No. Cases: 457
                            No. Variables: 2147


SPECIAL CONTENT:
New measures of system support, foreign policy predispositions, and
morality; roles of U.S. Senators and Representatives. A significant portion
of the survey was devoted to experiments in the survey response, including
reported vote.

DESIGN FEATURES:
  A sample of respondents from the 1986 NES Pre-Post Study was selected
  for the 1987 pilot study, which was carried out, via telephone interviews,
  in two waves.  Wave I (May 5 to May 30) encompassed 457 interviews, and
  Wave II (June 2 to July 2) obtained 360 reinterviews.  Each wave used two
  questionnaires, Form A and Form B, administered to different half-samples
  (randomly assigned).  The sample was drawn form 1986 form A respondents 
  who had provided a telephone number for recontact.  The sample was
  stratified on political information. The sampling fraction for the stratum
  was proportional to predicted response rate. 


