If you were to compare the DNA of any two unrelated people, about what percent of their DNA would be identical?
a. 25%
b. 50%
c. 99.9%
d. 100%
c
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Regarding vision, which of the following statements is FALSE?
a. Objects are seen most clearly when their images are focused on the fovea. b. Cones, which are more sensitive to light than rods, are responsible for peripheral vision and vision in dim light. c. Light enters the eye through the cornea and then passes through the pupil and lens, which focuses the light on the retina. d. As a form of physical energy, light is the stimulus to which receptors in the eyes respond. e. Vision is the process by which light energy is converted into neural impulses that the brain interprets as the experience of sight.
In a two-way factorial ANOVA, to calculate MSFactor B we divide _____ by _____
a. SSFactor B; dfFactor B b. SSTotal; dfTotal c. SSWithin; dfWithin d. SSFactor B; dfError
Which of the following is most likely a correlation coefficient for a relationship between stress and health?
a. -0.78 c. 0 b. +1 d. +0.98
In studies on the relationship between TV watching and aggressive behavior, how
is TV watching typically measured? (a) by asking children what their favorite programs are (b) by manipulating the movies watched in an institution (c) observational studies comparing towns that had TV with those that did not (d) peer reports, that is, reports by the children's friends (e) all of the above