Methodology03.zip

Field dates & sample sizes:

Standard 5-day: June 4–8, 2003, N=1,000 (GROUPS=1)

Standard Extended: June 9–Sept 29, 2003, N=370 (GROUPS=2)

Rigorous: June 4–Oct 30, 2003, N=1,089 (GROUPS=3)

Weights guide:

WEIGHT → Compares Standard 5-day vs. Rigorous

WTNII → Standard 5-day survey only (for replicating June 2003 News Interest Index results)

WTTOTAL → All Standard cases (5-day + extended) vs. Rigorous

WTFORM → Form-based weighting (Standard + extended vs. Rigorous)

WTALL → Weights all cases from both studies together