The primary difference between the analytical and empirical approaches to scientific investigation is that
a. empirical approaches attempt to predict events on the basis of theoretical models.
b. analytical predictions are based on events accompanying the event of interest.
c. analytical approaches are guided by theory.
d. empirical approaches provide a deeper understanding of phenomena than do analytical approaches.
C
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A standardization sample is representative if the sample a. has been subjected to rigorous experimental control
b. consists of individuals who are similar to the group to be tested. c. consists of a great many individuals. d. is administered in the same way as the actual test group will be.
Sophia is an air traffic controller. If she fails in her job, planes could crash and hundreds of people could die. While she is at work, she must be constantly alert and pay close attention. Although she is outwardly healthy, Sophia's blood pressure and blood sugar levels are high, and her body is secreting excess amounts of corticosteroids. Which stage of the general adaptation syndrome is
Sophia in? a. ?resistance b. ?alarm reaction c. ?exhaustion d. ?defensive
__________ help explain why identical twins, though precisely the same in DNA sequencing, sometimes display strikingly different phenotypes with age
A) Heredity estimates B) Passive correlations C) Evocative correlations D) Methylation levels
Marisa is at a point in her pregnancy when the zygote is attaching to the wall of her uterus. Which period of prenatal development is Marisa currently experiencing?
a) fetal b) embryonic c) placental d) germinal