The Concept of Nonequivalent Groups Means ____

question 61

Multiple Choice

The concept of nonequivalent groups means ____.

• A) the researcher cannot control which people go into each group and cannot ensure that the groups are equivalent
• B) the two groups have completely different characteristics
• C) the researcher has randomly assigned people to groups so there is no guarantee that the groups are equal
• D) the number of participants is different from one group to another

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Definitions:

Set of Scores

A set of scores refers to a collection of numerical values obtained from assessments or measurements, typically representing the performance or outcomes of individuals or groups.

25th Percentile

The value below which 25% of the data falls, also known as the first quartile or Q1.

Q1

The first quartile in a data set, marking the value below which 25% of the data points fall.

Q2

The second quartile in a data set, also known as the median, which divides a data set into two equal halves.