Which of the following statements is true?

a. When conducting a classical experiment the researcher needs only be concerned with threats to reliability.
b. When conducting a classical experiment the researcher uses only a post-test to assess changes in the independent variable.
c. When conducting a classical experiment the researcher uses only a post-test to assess changes in the dependent variable.
d. When conducting a classical experiment the researcher may need to be concerned with problems to validity.


d. When conducting a classical experiment the researcher may need to be concerned with problems to validity.

Criminal Justice

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The last decade of the twentieth century saw only a few incidents of excessive use of physical force by police officers. This was mainly due to the fact of strict policies against officers who abuse their power

Indicate whether the statement is true or false

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What type of report is sometimes referred to as a "face-sheet"?

a. Crime Report b. Incident Report c. Arrest Report d. Daily Activity Report

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It is common practice among those in the scientific fields to set confidence levels at ______.

A. .5 (50%) B. 1.00 (100%) C. 0.68 (68%) or 0.75 (75%) D. 0.95 (95%) or 0.99 (99%)

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Which entity is in charge of developing the National Infrastructure Protection Plan (NIPP)?

What will be an ideal response?

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