Mark sees an attacker approaching him with a knife. During his reaction, he experiences increased energy and a faster heart rate. This is caused most directly by
a. adrenaline and noradrenaline. c. cortisol.
b. CRH and ACTH. d. corticosteroids.
A
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______ is used to test hypotheses about the difference predicted across treatment conditions to compare data in two different situations for the same participants.
A. Post hoc design B. Matched design C. Pretest-posttest design D. Related/paired samples t test
Rods and cones are connected to ______
a. optic neurons c. interneurons b. bipolar cells d. efferent neurons
The decision about which animal to use in your research may depend on:
A. the cost of animals. B. your research question. C. both your research question and the cost of animals. D. None of the answers is correct.
To compare correlations with each other, the proportionate reduction in error can be figured by
A) multiplying each correlation coefficient by 10. B) calculating the square root of each correlation coefficient. C) squaring each correlation coefficient. D) multiplying each correlation coefficient by 2.