This innovation made the printing press an agent for mass communication
A) paper in rolls
B) lithographic film
C) printing ink
D) movable metal type
Answer: D
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Answer the following statements true (T) or false (F)
1.In asking about the validity of an experiment, a researcher is asking whether the experiment captured the concepts the researcher intended to capture. 2.The focus of internal validity is on experimental design. 3.The focus of external validity is on whether the experiment has captured the external world the researcher is investigating. 4.A spurious relationship occurs where a relationship between variables has been found but is actually explained by another variable the researcher was not focused on. 5.Selection bias occurs when experimental groups are not comparable.
Probably the most forceful kind of credibility is
a. primary credibility. b. secondary credibility. c. indirect credibility. d. abstract credibility.
_______ is any flaw in the logic of an argument
a.A myth b. A claim c. A dispute d. A fallacy
As the intersection of health, science, and communications, health care PR is the perfect career for some people. If you are considering such a career, what questions should you answer to help determine your suitability, and why?
What will be an ideal response?