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The Interviews
Interviews with NLSY respondents were conducted yearly from 1979 through 1994. The original interview schedule, which called for personally-administered interviews, was maintained from 1979 through 1986. In 1987, budget constraints dictated a more limited telephone interview. Personal interviews resumed with the 1988 round.
During the 1993 interviews, the traditional paper and pencil interview (PAPI) instruments used during previous interviews were replaced with computer-assisted interviewing (CAPI) for the eligible sample of NLSY respondents. Experimental CAPI administrations with select respondents had taken place during the 1989 and 1990 interviews with documented improvements in data quality. Table 1 summarizes the interview modes used during the 1989-1993 NLSY surveys.
Table 1. Numbers & Percentages of Respondents Interviewed by Type of Survey & Contact Method: NLSY 1989-1993
Survey CAI Computer- PAPI Paper and
Year Total Assisted Interviewing Pencil Interviewing
In By In By
Total Person Telephone Total Person Telephone
1989 10605 301 83.7 16.3 10301 85.7 14.3
1990 10436 2440 88.3 11.7 7994 87.1 12.9
1991 9018 --- --- --- 9014 86.2 13.8
1992 9016 --- --- --- 9012 87.1 12.9
1993 9011 9011 88.2 11.8 --- --- ---
a Totals reflect all respondents interviewed in a given survey year and include
small numbers of respondents for whom valid values were missing on the type of
interview variables.
Last Modified Date: October 16, 2001
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