One study compared the effects of high-fear and low-fear appeals on changes in attitudes and behaviors related to dentalhygiene.
高恐惧诉求、低恐惧诉求会影响与牙齿卫生有关的态度和行为变化,一项研究对这两者进行了比较。
2
A flashing set of healthy and clean, regular 'pearly whites' was a rare sight in Victorian society, the preserve of the super-rich (and even then, dentalhygiene was not guaranteed).