We can reduce or eliminate the influence of possibly relevant variables in an experiment by
a. conducting interviews with participants
b. observing participants closely
c. randomly assigning participants to each experimental group
d. repeating the experiment
e. watching how participants change over time.
c. randomly assigning participants to each experimental group
Communication & Mass Media
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A speech discussing the factors which lead to an economic downturn would use which type of
speech design? A) sequential B) spatial C) causation D) categorical
Communication & Mass Media
Generally, interpersonal communication has less verbal feedback potential than public communication.
a. true b. false
Communication & Mass Media