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If a psychologist interested in the effects of smell on concentration has 20 participants perform a standard task while exposed to an unpleasant smell and another 20 participants perform the same task without being exposed to the unpleasant smell,the appropriate test to analyze the data is a t test for __________.
Single Channel
Utilizes only one means or avenue for distribution or communication, focusing all efforts on optimizing and maximizing that singular mode.
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