The symbol ______ is used to denote a sample proportion in calculations for a confidence interval involving proportions.


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The area of ethics which attempts to identify and prioritize moral values and principles and provide frameworks for moral decision-making is referred to as:

a. practical ethics. b. normative ethics. c. metaethics. d. instrumental ethics.

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The mood of the public should not be a consideration when the police make public policy decisions

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

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Which of the following groups was NOT highlighted in this chapter?

a. the Islamic State b. Boko Haram c. al-Qaeda d. People’s Liberation Army

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Answer the following statement(s) true (T) or false (F)

1. The one-group pre-test-post-test design utilizes a comparison group and randomization. 2. In experimental research, the use of pre- and/or post-tests is uncommon. 3. A static-group comparison design is weakened by the lack of pre-testing. 4. External validity allows a researcher to claim a causal relationship. 5. A one-group pre-test-post-test design is a pre-experimental design that includes randomization and researcher control of the treatment.

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