The Pearson product-moment correlation coefficient (r) works only when both variables are
measured on which scale(s) of measurement?
A) interval & ratio B) interval only
C) ratio only D) nominal & ordinal
A
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Leeann is studying for a test on neurotransmission. She wrote in her notes that neurotransmitters are released from the presynaptic neuron when the action potential reaches the terminal and opens ______ channels.
A. sodium B. potassium C. chloride D. calcium
The information-processing perspective views development as
A) continuous. B) discontinuous. C) a socially mediated process. D) marked by imagination and creativity.
There is invariably a trade-off between ________ and ________ in social psychology experiments
a. mundane realism; psychological realism b. internal validity; external validity c. independent variables; dependent variables d. validity; reliability
Ask the Experts Video 10: Catherine Borshuk on AltruismClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 303 and watch the video. When you've finished watching the video, come back to the test and answer the following question:As indicated by Dr. Borshuk in the video, when the diffusion of responsibility occurs, we are most likely to help when ______.
A. there are many witnesses to an emergency situation B. we see others helping during an emergency situation C. there is only one witness to an emergency other than ourselves D. there is no witness to an emergency situation other than ourselves