-1. INAP, age is 18 or older in HHList.18f; no additional person

-3. Missing, restricted access (confidential data)

-1. INAP, not applicable to the 2008 Time Series Pre-election

1. Main sample release at start of interviewing period

1. Yes, interview recorded (consent given)

1. All payments were made in cash upon completion of the Pre-

-1. INAP, not applicable to the Pre-election IW

0. No incentive was paid or given to the respondent in addition to

-199. Not available in the current release

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

-1. INAP, R selected for VERSION E
1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

1. Democratic Presidential candidate first
2. Republican Presidential candidate first

-1. INAP, R selected for VERSION NEW
1. Democratic Presidential candidate first
2. Republican Presidential candidate first

-1. INAP, R selected for version NEW; 0,-8,-9 in A11b

-1. INAP, R selected for version NEW; 0,-8,-9 in both

-1. INAP, R selected for version NEW; 0,-8,-9 in A11e

-1. INAP, R selected for version OLD; 0,-8,-9 in A12a1

-1. INAP, R selected for version OLD; 0,-8,-9 in A12b

-1. INAP, R selected for version OLD; 0,-8,-9 in A12c

-1. INAP, R selected for version OLD; 0,-8,-9 in A12d