If researchers do not use the correct statistical procedures, it is possible for an fMRI to detect effects where none exists
Indicate whether this statement is true or false.
True
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What can we conclude about studies on gender comparisons in mathematics ability?
a. No statistically significant gender differences have been found in this area. b. Gender differences in mathematics ability probably can be traced to gender differences in brain lateralization. c. At present, gender differences in mathematics can probably be explained by either a hormonal or a genetic factor. d. Some math tests show gender differences, but there are no large overall gender differences.
Although schizophrenia is likely to involve a complex interaction of neurotransmitter malfunctions, evidence from drug studies suggests that excess _____ is related to the positive symptoms of schizophrenia.
A) dopamine B) epinephrine C) serotonin D) GABA
A frequency distribution differs from other graphs in that the y-axis represents _____, rather than the value of a ________
a. frequency, dependent variable b. frequency, independent variable c. dependent variable, frequency d. independent variable, frequency
In general, the function of hormones is to ________
a. enable neurons to excite or inhibit each other. b. modulate the effects of neurotransmitters. c. affect the functioning of target organs and tissue. d. reduce pain and promote pleasure.