What is reliability and validity? Why are they important to statistics?

The answer should discuss what validity is, the two types of validity (measurement and causal) and what reliability is). The answer should also discuss why it is important to ensure the researcher is actually measuring what they want to measure, that a good measure should produce the same results over time, and that the independent variable does cause the dependent variable to change.


The answer should discuss what validity is, the two types of validity (measurement and causal) and what reliability is). The answer should also discuss why it is important to ensure the researcher is actually measuring what they want to measure, that a good measure should produce the same results over time, and that the independent variable does cause the dependent variable to change.

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Anger management programs consist of a number of techniques through which someone with problems controlling anger can learn the cause and consequences of that anger.

A. Evidence-based practices B. Cognitive behavioral therapy C. Therapeutic community D. Psychopharmacological

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In Demore v. Kim (2003), the Supreme Court ruled that: a. mandatory detention for aliens who have been convicted of certain crimes pending removal proceedings isnot unconstitutional, even if the alien is a lawful permanent resident

b. mandatory detention for criminal aliens is unconstitutional. c. mandatory detention for criminal aliens is not unconstitutional as long as the alien was not admitted lawfullyinto the U.S. d. the Immigration and Nationality Act requires immigration judges to exercise their discretion in deciding if acriminal alien should be detained pending removal proceedings.

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Impeachment generally begins on re-direct examination

a. True b. False

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____________________ are high-risk and often possess true personality disorders. These batterers often present ongoing and chronic patterns of abuse

Fill in the blank(s) with correct word

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