In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.. What was a potential confounding variable?
a. Living in an urban environment (or not)
b. Gender (male or female)
c. Death
d. General physical health
Q. 2In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.. What was the explanatory variable?
a. Living in an urban environment (or not)
b. Gender (male or female)
c. Death
d. General physical health
Q. 3In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.. What was the response variable?
a. Living in an urban environment (or not)
b. Gender (male or female)
c. Death
d. General physical health
Q. 4In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.. What type of study was this?
a. A randomized study
b. A case-control study
c. An observational study
d. A matched-pairs designed study
Q. 5In a report by ABC News, the headlines read City Living Increases Men's Death Risk The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.. The conservative margin of error for the sample of 3,617 adults is
a. 0.5.
b. 1.0.
c. 1.7.
d. none of the above.
Q. 6In a report by CNN Health News, the headlines read Study: Junk food raises teens' risk of heart disease.. The headlines were based on a study of 249 high school students between the ages of 13 and 18 . One researcher said, more than 80 of those tested were eating a diet that could promote heart disease.. Ultrasound was used to measure the thickness of the carotid artery, which, the researcher said, can be an early indicator of atherosclerosis, an abnormal hardening of the artery walls.. Is a conclusion that a junk food diet causes an increased risk of heart disease justified?
a. Yes, because the study was a randomized study.
b. Yes, because many students in the study were overweight.
c. No, because the study was a matched pairs designed study.
d. No, because the study was an observational study.
Quick Reply
