VCF0014 Pre Data Present

QUESTION:
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Pre-election interview data present

VALID_CODES:
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0. No Pre-election interview data present
1. Pre-election interview data present

NOTES:
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GENERAL NOTE:
This describes the presence of pre-election data in ANES pre-post
time-series studies: studies conducted in years of presidential 
elections and in 2002 were pre-post studies. Only in 1948, 1952 and 
1960 cases were any cases conducted with a Post-election interview 
but no Pre-election interview. In non-presidential years except 1954 
and 2002, ANES conducted a Post-election interview only, and all 
non-presidential years except 1954 and 2002 have been coded 0.*  
1954**, 2002 and presidential years other than 1948, 1952 and 1960 have 
been coded 1.
1948 NOTE: 
1 case code 9 NA in the original survey data was examined
and identified as Post-only; this case has been coded 0.
1954 NOTE: * 
The 1954 study was a minor study conducted in October of 1954 and is 
coded 1. The 1954 study was comprised of only 27 variables and is 
represented in the Cumulative Data File in:  VCF0104-VCF0106, VCF0110, 
VCF0112-VCF0114, VCF0127, VCF0128, VCF0140, VCF0301-VCF0305, VCF0701, 
VCF9027.

TYPE:
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Numeric  Dec 0

SOURCE_VARS:
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1948:  480009 
1952:  520003 
1960:  600016