When testing a new drug for an illness, which of these is a major reason to use a control group?
A) Control groups eliminate all other factors that may cause statistical noise.
B) More than one group is required to perform a statistical test for differences between a response and an expected response.
C) People often get better just from thinking they have been treated, regardless of the actual effectiveness of the drug.
D) Statistical power is maximized in tests that use two groups compared to those that just use one.
Correct Answer:
Verified
Q1: To reduce bias in experimental results, all
Q2: Which of these is not a good
Q3: An experimental unit is an individual or
Q4: What is a control group?
A) A group
Q6: When testing a new drug for an
Q7: If the experiment involves giving drugs, we
Q8: In experiments, when only the study subjects
Q9: Why is blinding important when designing studies?
A)
Q10: Increasing the sample size reduces the magnitude,
Q11: True replication is more than just the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents