A tautological theory is one that
a. has been falsified.
b. is good for deriving research hypotheses.
c. is derived from a tautological law.
d. has vague or unmeasureable variables
d
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Chemicals are released by axons ____
a. into the presynaptic terminal b. into the junction between neurons c. through the efferent terminals d. to the mitochondria
A hypothesis is defined as a(n)
A. theory. B. empirical conclusion. C. research study. D. educated guess.
In a word, why is it that women who live in groups tend to develop synchrony in their menstrual cycles over time?
a) pheromones b) sympathy c) synesthesia d) stereoscopy
Regarding AIDS, which of the following statements is FALSE?
a. it is estimated that for every patient diagnosed with AIDS, there are many more with HIV infection just starting to show symptoms b. death does not result directly from HIV, but from opportunistic diseases c. only about half of the people with HIV develop AIDS within 11 years of infection d. AIDS can be slowed in the early stages by taking antibiotics