Question Clinical Trials Question & Answer Guide (With Explanation)

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Original Question

Question 61 pts In a set of clinical trials, a pharmaceutical company wishes to assess the effectiveness of its newly developed drug for depression by comparing its performance to the leading drug currently on the market and to a placebo control. What research technique or techniques would be possible and appropriate? Group of answer choices random selection, but not random assignment both random selection and random assignment neither random selection nor random assignment random assignment, but not random selection Flag question: Question 7 Question 71 pts Imagine that we know the following information for populations living in cities and rural areas. In big cities, average commutes are 40 minutes with a standard deviation of 15 minutes. In rural areas, the average commute is 25 minutes with a standard deviation of 6 minutes. Who has a longer commute, Mary from the city who travels for 35 minutes or Jean from the country who travels 30 minutes? Group of answer choices Mary’s commute is 5 minutes longer Mary, because city traffic moves slowly. Jean, because she travels 30 minutes on slow country roads. Jean, because her commute is in the country. Flag question: Question 8 Question 81 pts z scores are useful because they: Group of answer choices transform linear scores into nonlinear scores, convert nonlinear scores back into linear scores, and allow us to obtain comparisons between nonlinear and linear scores. give us an understanding of where a score falls in

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