a) whether it was an observational study or an experiment b) whether it was retrospective or prospective c) the subjects studied, and hoOw they were selected d) the parameter of interest e) the nature...

The choices for question b are retrospective or prospective?

Extracted text: a) whether it was an observational study or an experiment b) whether it was retrospective or prospective c) the subjects studied, and hoOw they were selected d) the parameter of interest e) the nature and scope of the conclusion regarding what the results may or may not indicate In a test of 400 men and women, those with high blood pressure did worse on tests of memory and reaction time than those with normal blood pressure. d) Identify the parameter(s) of interest. O A. Men and women O B. The blood pressure level of men and women O C. Memory and reaction time e) Identify the nature and scope of the conclusion regarding what the results may or may not indicate. O A. High blood pressure causes men and women to do worse on memory and reaction time tests. O B. There is no association between blood pressure and memory and reaction time. O C. There is no way to know that high blood pressure caused subjects to do worse on memory and reaction time tests.


Extracted text: Use the report of statistical research to identify the following. a) whether it was an observational study or an experiment b) whether it was retrospective or prospective c) the subjects studied, and how they were selected d) the parameter of interest e) the nature and scope of the conclusion regarding what the results may or may not indicate In a test of 400 men and women, those with high blood pressure did worse on tests of memory and reaction time than those with normal blood pressure. b) Identify whether the study was retrospective or prospective. The study was c) Identify the subjects studied, and how they were selected. O A. Men and women with high and normal blood pressure; subjects were randomly selected. B. Men and women with high blood pressure; subjects were self selected. O C. Men and women with high blood pressure; unknown selection process. O D. Men and women with high and normal blood pressure; unknown selection process.