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

1. Two-tailed tests are also often called nondirectional tests.
2. In a pooled-variances t test, the degrees of freedom are calculated using the formula df = N1 + N2 – 2.
3. In a two-population test for differences between proportions, a sample proportion is symbolized by p.
4. The SPSS software package cannot run tests for differences between proportions; therefore, these calculations must be completed by hand.


1. True
2. True
3. True
4. True

Criminal Justice

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Correctional program accreditation initiatives can be used to

A) establish measurable criteria for improvement. B) increase liability insurance premiums. C) decrease operational standards. D) weaken defenses against liability lawsuits. E) all of the above.

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The postconviction process determines the guilt of a person charged with a criminal offense.

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

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Describe the major historical movements that shaped the changes over time in how juvenile justice is approached in the United States.

What will be an ideal response?

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The only commercially available computer database for comparing and identifying crime-scene evidence is _____

Fill in the blank(s) with the appropriate word(s).

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