In the study of children living near an airport, we first need to be concerned about
a. the underlying scale of adrenaline scores.
b. the relationship between numerical scores on adrenaline and underlying stress.
c. whether adrenaline increases over time in a continuous fashion.
d. the number of children who showed high adrenaline scores.
Question 2
Evans et al. (1998) recorded adrenaline levels of children who lived near a newly opened airport to see if the presence of the airport increased stress levels in children. (Increased stress would be associated with increases in adrenaline levels.) In this study we would most likely view adrenaline as
a. a ratio measurement of stress.
b. a nominal measure of stress.
c. somewhere between an ordinal and an interval measure of stress.
d. an absolute measure of stress.
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