Which one of the following is most helpful to test developers who wish to increase the reliability/precision of a test’s scores?
a. Spearman Brown formula
b. Coefficient alpha
c. Correlation
d. Cohen’s kappa
a. Spearman Brown formula
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What is one function of hyperpolarization in the nervous system?
A. This serves to stimulate action potentials. B. This serves to excite neurons. C. This serves to keep excitatory signals in check. D. This serves to provide continued firing of neurons, regardless of the stimuli.
Optical illusions are visual experiences that are consistent with reality
Indicate whether the statement is true or false.
The blood supply to the brain, all true except:
A. the basilar artery runs along the midline of the pos B. the medulla is supplied by branches of the posterior inferior cerebellar arteries C. the external cartroid artery divided to from the middle cerebral and anterior cerebral arteries D. the internal capsule is supplied by the circle of Willis E. the middle cerebral artery supplies Broca's and Wernick's areas
Sequential research designs combine the best features of which two types of research?
A. correlational and experimental B. observation and self-reporting C. observation and experimental D. cross-sectional and longitudinal