Which of the Following Represents Reliability or Validity Concerns When

question 74

Multiple Choice

Which of the following represents reliability or validity concerns when a researcher uses agency records?

• A) the number of general clerical staff, since too few is not good
• B) changes in the operational definitions the agencies use to specify key terms
• C) maintaining consistent procedures the agency uses to collect the data over time
• D) agency records are generalizable to similar agencies

---

Definitions:

Standard Deviation

An indicator of the spread or variability among a collection of numbers, reflecting the degree to which these numbers deviate from their average.

Hypotheses Testing

A method of statistical inference used to decide whether there is enough evidence to reject a null hypothesis in favor of an alternative hypothesis.

Power of the Test

The probability of correctly rejecting a false null hypothesis in a statistical test.

Random Sample

A selection of individuals or items from a larger population or set in such a way that each has an equal chance of being included, ensuring the sample's representativeness of the whole.