Dr. Vance is lecturing to his medical students about the evidence that children with conduct disorders are more likely to have low levels of physiological arousal, are hyperactive to threats associated with anger and have blunted sensitivity to negative consequences. Dr. Vance's lecture is addressing which factors associated with etiology of CD?
a. environmental
b. physiological
c. familial
d. cognitive
B
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A researcher tries to make sure that subjects in the experimental and control groups are very similar to each other in order to reduce the effects of
a. extraneous variables. b. random variables. c. dependent variables. d. independent variables.
Given the post hoc tests, what is the appropriate conclusion?
A. The length of commute is significantly different for walking and biking. B. The length of commute is significantly different for walking and taking a bus. C. The length of commute is significantly different for walking and talking a bus. D. The length of commute is significantly different for biking and riding a rail.
Which of Helmholtz’s accomplishments did much to finally bury vitalist approaches to biology?
a. His finding that heat and energy are equivalent and neither is ever destroyed b. His research on the route taken by nerve signals as they pass from the eye to the brain c. His development of the ophthalmoscope d. His research on and measurement of the speed of nerve impulses
Which of the following is false concerning replication?
a) Neuropsychologists often replicate their results so that they know they did not get a chance result b) Replication by other researchers is important as it ensures that the effects in the study are generalizable to people beyond those who participated in the original study c) By replicating results they can be confirmed by other researchers, not just the original researcher d) Studies must be replicated as there is nothing new to study