To control confounding variables in experimental research, researchers can use several techniques. Which one is appropriate to control this problem?
a) Randomization
b) Using field experiment
c) Observing subjects all the time
d) Including another variable in the design
a
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Which of the following statement(s) is/are TRUE about the concept of “race?”
a. It is a categorization system based on physical differences. b. The association of physical, mental, emotional or attitudinal qualities with racial groups has no biological basis. c. Race is socially constructed within historical, political, and economic contexts with consequences that continue to affect us today. d. Race will lose its social significance if individuals choose to ignore it or be colorblind.
A public-relations speech is designed to improve relations with the public, but not necessarily to inform them about anything
Indicate whether the statement is true or false
Which skill for improving family communication is involved when family members schedule discussions, acknowledge the other's viewpoint, moderate emotions, and know when to get help or when to give up?
A. Take time to talk about relationships and feelings. B. Listen actively and clarify the meaning of messages. C. Support and encourage one another. D. Use productive strategies for managing conflict, stress, and change.
In a two-tail test, the region of rejection:
a) Is located in the right tail of the sampling distribution curve b) Is located in the left tail of the sampling distribution curve c) Is located in both the left and right tails d) Cannot be precisely determined