Which of the Following Is the Best Definition of Variability

question 21

Multiple Choice

Which of the following is the best definition of variability?

• A) it is the amount of dispersion in a data set containing interval or nominal data
• B) the difference between scores in the present sample and scores in a previous sample
• C) the amount of dissimilarity in ordinal data
• D) amount of dissimilarity (or similarity) in respondents' answers to a particular question
• E) the amount of responses in one respondent's answers to a particular survey question

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Definitions:

Quasi-Experimental Design

A research design that lacks the full control or random assignment of experimental studies but attempts to determine cause-and-effect relationships among variables.

Nonequivalent Groups Design

A quasi-experimental study design where subjects are not randomly assigned to treatment or control groups, potentially leading to differing group characteristics.

Proxy Pretest Measure

An indirect measure or an approximation used to gauge participants’ status before the actual pretest in an experimental study, usually when baseline measures are not available.

Counseling Technique

A strategy or method used in counseling to facilitate communication, address client issues, and promote emotional and psychological healing or development.