Can public campaigns effectively change psychological determinants of safer sex? An evaluation of three Dutch campaigns

This study evaluated the 1994, 1995 and 1996 Dutch safer sex campaigns as to their effectiveness in terms of improved attitudes, perceived social norms, self-efficacy and intentions regarding safer sex. The hypotheses were tested that variables become more positive when campaigns are conducted and less positive when campaigns are discontinued. A comprehensive design, including a baseline–post-test/post-test-only group design and a longitudinal or multiple assessment group design, was employed to exclude testing effects, history effects, cultural changes and sample differences as alternative ex... Mehr ...