According to the observations of a nutrition scientist, laboratory mice are healthier when their diet contains physiological levels of vitamin D then when their diet lacks the micronutrient. The scientist hypothesizes that mice will be less likely to develop cancer when they consume a diet that supplies megadoses of vitamin D.
Based on this information, the scientist is ready to ______.
Multiple Choice
set up an experimental epidemiological study to test the vitamin D and cancer hypothesis in mice
design a double-blind study to test the vitamin D and cancer hypothesis in mice
conduct a controlled laboratory experiment to test the vitamin D and cancer hypothesis in mice
plan a retrospective study involving at least 5,000 laboratory mice to test the vitamin D and cancer hypothesis in mice