Digital & Computing
Digital thinking tools for better decision making
...et al., 2003). (b) In 1998, researchers at Johns Hopkins and Nepal Eye Hospital Complex reported a study with 30,000 women in South Asia at high risk of vitamin deficiencies. They found that a group received vitamin A supplements had a lower risk of night blindness than a group that received a placebo (Christian et al., 1998). In the map below, delete the incorrect option...