A team of researchers hypothesized that watching a specific children\'s televisi

Question

A team of researchers hypothesized that watching a specific children's television show with lots of action might lead to Attention Deficit Disorder (ADD) in childhood. Children with and without ADD are compared on the basis of hours spent watching this children's program. Which of the following statements best characterizes the assessment of data in a study such as this? A. Absolute and relative measures of risk can be derived B. Risk Factor status is the basis for companion C. The Risk ratio cannot be calculated directly D. The temporal association between exposure and outcome can be established with certainty

Explanation / Answer

In this kind of investigation we try to relate the number of hours of watching childrens TV show to ADD, In this form of experiment, the no. of hours spent by children having and not having ADD is studied.

The sudy considers ADD as a response variable to the number of hours spent on viewing childers shows on tv (or rather the exposure to TV shows per childern). The hypothesis also related the exposure to TV shows proportional to chances od having ADD.

The best sentence which characterises the assesment of data is aasocociaton between exposure and outcome can be establised with certainity. This is option D

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