True or false? Patients in clinical trials are sorted into groups based on similar characteristics.

The fact that certain types of people agree to participate in clinical trial may affect which of the following?Group of answer choicesplacebo effectvalidityrandomizationethics

Bias in Clinical Trials? Researchers investigated the issue of race and equality of access to clinical trials. The following table shows the population distribution and the numbers of participants in clinical trials involving lung cancer (based on data from “Participation in Cancer Clinical Trials,” by Murthy, Krumholz, and Gross, Journal of the American Medical Association, Vol. 291, No. 22). Use a 0.01 significance level to test the claim that the distribution of clinical trial participants fits well with the population distribution. Is there a race>ethnic group that appears to be very underrepresented?Race/ethnicityWhitenon-HispanicHispanicBlackAsian , Pacific IslanderAmerican Indian,Alaskan NativeDistribution of Population75.6%9.1%10.8%3.8% 0.7%Number in Lung Cancer Clinical Trials3855603165412

8. Regulatory agencies care more about the “what” of a clinical trial than the "how."Group of answer choicesTrueFalse

Select the reasons to conduct pre-clinical trials.

Clinical decisions are influenced by:Question 1Answera.Only the patient's health beliefsb.Only the doctor's expertisec.Both the patient's and the doctor's beliefsd.Random chance