CCO Data Collection & Measurement Techniques 3

Question 1

Which sampling method ensures every member of a population has an equal chance of being selected?

Accepted Answer

Simple random sampling

Answer

Simple random sampling eliminates selection bias by giving each individual the same probability of inclusion.

Question 2

A Likert scale asking inmates to rate program satisfaction from 1 (strongly disagree) to 5 (strongly agree) produces what type of data?

Accepted Answer

Ordinal data

Answer

Likert scales produce ordinal data because responses have a ranked order but the intervals between points are not necessarily equal.

Question 3

Which term refers to the consistency of a measurement instrument producing the same result under the same conditions?

Accepted Answer

Reliability

Answer

Reliability means a tool produces consistent results when applied repeatedly under identical conditions.

Question 4

A shift supervisor wants to determine the average number of inmate grievances filed per week. She should calculate the:

Accepted Answer

Mean

Answer

The mean (arithmetic average) is calculated by summing all values and dividing by the count, suitable for tracking average weekly grievances.

Question 5

In data collection, 'inter-rater reliability' measures:

Accepted Answer

The degree of agreement between two or more independent observers

Answer

Inter-rater reliability assesses how consistently different observers record the same phenomena.

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