Type II Errors -----

question 6

Multiple Choice

Type II errors -----

• A) can be harmful if they lead to the elimination of beneficial services.
• B) can be avoided by testing a few participants instead of all of the participants.
• C) lead to conclusions that a program is effective when it is not.
• D) are, fortunately, rare in program evaluation.

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Definitions:

Confidence Interval

A range of values, derived from sample data, within which there's a specified probability that the true parameter value lies.

Mean

The arithmetic average of a set of numbers, calculated by adding them together and dividing by the number of values.

Standard Error

The standard deviation of the sampling distribution of a statistic, measuring its accuracy as an estimate of the population parameter.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter with a specified level of confidence.