What determines whether a neuron has an action potential?
a. only the number of EPSPs impinging on an axon
b. only the number of IPSPs impinging on the dendrites
c. the combined effects of EPSPs and IPSPs
d. summation effects of IPSPs
c
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The NSSHB found that the least common sexual behavior reported in men was ____
a. same-sex receptive anal sex c. same-sex touching b. same-sex oral sex d. same-sex kissing
In Descartes's view, animals were nothing more than
a. creations of God to be used to satisfy humankind's needs and pleasures. b. creatures controlled by animism. c. mechanical devices. d. dualistic entities that serve few, if any, useful functions. e. spirits.
Answer the following statement(s) true (T) or false (F)
In Roman times, Galen was a champion of empiricism.
In an analysis of variance, if the within-groups variance estimate is about the same as the between-groups variance estimate, then
A) the null hypothesis should be rejected. B) any difference between sample means is probably due to random sampling error. C) an error has been made in computing the between-groups and the within-groups variance estimates. D) any difference between sample means is probably due to a real difference caused by experimental conditions.