IHP 525 Quiz One 1.Prospective studies on nutrition often require subjects to keep detailed daily dietary logs. In contrast, retrospective studies often rely on recall. Which method (dietary logs or retrospective recall) do you believe is more likely to achieve accurate results? Explain your response.2.We often have a choice of whether to record a given variable on either a quantitative (continuous) or a categorical scale. a)How does one measure age quantitatively? b)Provide an example by which age can be measured categorically.