Which of the following neuroimaging techniques uses a radioactive substance and allows us to trace neuotransmitter pathways in the brain?
A) Positron Emission Tomography (PET scan)
B) Functional MRI (fMRI)
C) CAT scan
D) MRI
A
Psychology
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When it is either not possible or unethical to manipulate an independent variable, which research method would be optimal?
a. operational definition b. experimentation c. quasi-experimentation d. inferring
Psychology
The ____of data is the degree to which they accurately represent the topic being studied.?
a. ?statistical validity b. ?statistical reliability c. ?research variables d. ?inferential statistics
Psychology