Obesity: Becker (1995)
Becker et al. (1995) investigated the impact of television on body image and eating behaviors among Fijian adolescent girls using a natural experiment with a repeated cross-sectional design. Two groups of girls aged 16–18 were studied — one in 1995, soon after television was introduced to Fiji, and another in 1998, after three years of exposure. By comparing different participants from the same age group at two...