Replication Placebo control Blinding Balance QUESTION 9 Which of the following are methods for reducing the effect of *sampling error"? Pick all that apply Balance Replication Placebo control Block design Randomization O Extreme treatments QUESTION 10 A study is planned with power of 0.80. This means that the investigators: O Anticipate that they will be able to detect any real differences between control and treatment 80% of the time. Plan to use an alpha cutoff of P = 0.08 Think that 80 percent of the individuals are expected to remain in the study, and 20% of the individuals will be lost to the study O Suggest that the experiment will be successfuly 80% of the time Click Save and Submit to save and submit. Click Save All Answers to save all answers