Question tim YOU are very pretty
I JUST wanna see the sun
the drink is WASTED
Is that YOUR computer?
i dont. have TIME.
ela is all about READING
the girl said are you gonna eat THOSE
the teacher said write those SENTENCES.
now read all the bold letters from top to bottom in order.

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias