In a longitudinal study of the influence of systems therapy on relationship satisfaction among married couples, five couples divorce and terminate their participation in the study. This example describes what threat to the study's internal validity?

a. Maturation
b. Selection bias
c. Experimental mortality
d. Statistical regression


Answer c,

Communication & Mass Media

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People with autism usually have fantastic mental abilities in other

areas, such as portrayed in the film, Rain Man. Indicate whether the statement is true or false

Communication & Mass Media

When you walk to the podium you should

A) ask the audience to bear with you. B) tell a joke. C) act confident. D) take several deep breaths.

Communication & Mass Media

Sterling tells Molly that her hair looks "bad," meaning it as a compliment, but Molly interprets this as a put-down. This is one of the disadvantages of

A. face-to-face communication. B. meanings being shared exactly the same by everyone. C. small group conflict. D. words being symbols, thus carrying different, arbitrary meanings for different people. E. trying to give out compliments.

Communication & Mass Media

Telling someone that you "understand" their experience because you've been in a similar situation is one way of confirming the other person

a. True b. False Indicate whether the statement is true or false

Communication & Mass Media