In a positively skewed distribution:
a. the median is smaller than the mode.
b. the mean is smaller than the mode.
c. the mode is smaller than the mean.
d. the mean is smaller than the median.
c. the mode is smaller than the mean.
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Iatrogenic health care problems are those which
a. are inherited from one's father. b. have their origin in work-related hazards. c. are caused by medical treatment itself (that is, by hospitals, doctors, and medicine). d. are sometime called birth defects.
A measure has reliability when __________
a. it yields the same results upon repetition of the measuring procedure or repetition by other investigators b. it produces results c. the average person believes it d. it has an effect
Graduate student Patty Hope Davis wants to follow the 2017 class of medical school graduates across the first decade after their graduation. Which research design will Patty most likely use?
A. cross-sectional B. longitudinal C. time-lag D. sequential
Freda wants to develop a measure of support for the legalization of marijuana such that she can assign scores to patterns of responses, such that some items reflect a relatively weak degree of the variable while others reflect something stronger. Which one of the following should she use?
a. index b. scale c. reliability d. validity e. nominal scale