Choose the research term that describes "participants drop out of study that occurs over a long-time period."

A. Internal validity
B. External validity
C. Ecological validity
D. Morality or attrition
E. Maturation

Answer: D

Communication & Mass Media

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Characteristics of a group include all of the following EXCEPT:

a. Individuals who perceive themselves as interdependent. b. Individuals following shared rules of conduct in order to reach a common goal. c. Individuals dedicated to their own personal success. d. Individuals interacting over a period of time depending upon one another.

Communication & Mass Media

Bastille Day, Pride Week, and New Years Eve are all examples of informative speeches about

a. concepts. b. objects. c. process. d. events.

Communication & Mass Media