A Washington Post article reported a study comparing the effectiveness of three
ID: 3275722 • Letter: A
Question
A Washington Post article reported a study comparing the effectiveness of three common groups. Group A received a standard dose of ibuprofen. Group B received a standard dose of acetaminophen. Group C received a standard dose of codeine. The youngsters rated their pain on a 100-point scale before and after taking the medicine. for children. Three hundred children, aged 6 to 17, were randomly assigned to three Step 1 The experiment followed the approach. O block design O matched pairs design completely randomized design Step 2: You read that there was a significantly greater decrease in pain ratings for Group A than for Groups B and C, but there was no significant difference in the decrease of pain ratings for Groups 8 and C. What does this finding lead you to conclude about the use of the three painkillers? O Ibuprofen is a better painkiller as compared to acetaminophen and codeine. O Acetaminophen and codeine are equally effective as painkillers. 0 The difference between pain scores in groups A, B and C could have happened by chance.Explanation / Answer
step 1) it is completely randomized design ; as there is no block while distributing children in groups
step 2) selected option is correct. Ibuprofen is better pain killer as compared to acetominophen and codeine