A receptor array in the Limulus is connected by the lateral plexus. Receptor "A" is located 5 receptors to the left of Receptor "B." What stimulation will result in the greatest firing rate recorded from "A"?
A) ?stimulate A with 10 units of illumination
B) ?stimulate A with 10 units of illumination and stimulate B with 10 units
C) ?stimulate A with 10 units of illumination and stimulate B with 20 units
D) ?stimulate A with 5 units of illumination and stimulate B with 20 units
A
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Early demonstrations of the Rorschach included validation by
a. reviews by content-area experts familiar with the underlying constructs. b. performance of individuals who analyzed the responses of individuals they had never met, making a diagnosis, and validating the diagnosis against other data sources. c. large-scale field work that involved thousands of individuals tested by hundreds of administrators whose skill levels varied. d. standard psychometric methods that yielded surprisingly high validity.
. Whereas histone ______ promotes gene activity, histone ______ inhibit(s) gene activity.
a. coding; tags b. excitation; deactivation c. acetylation; methylation d. stimulation; inhibitors
The purpose of a(n) __________ is to review research studies and help researchers consider the areas of potential harm in their proposed studies
a. ethics review committee c. global communications b. grant-writing techniques d. electronic methods
An experimental design __________
A) allows researchers to gather information in natural life circumstances without altering the participants’ experiences B) looks at relationships between participants’ characteristics and their behavior or development C) permits inferences about cause and effect because researchers evenhandedly assign people to treatment conditions D) has one major limitation: researchers cannot infer cause and effect