A Researcher Has Measured Self-Esteem for a Sample of 40

question 37

Multiple Choice

A researcher has measured self-esteem for a sample of 40 first-grade children. The researcher would like to divide the children into two equal-sized groups consisting of the high self-esteem kids and the low self-esteem kids. Which statistical measure will identify the correct score to serve as the boundary between the high and the low self-esteem groups?

• A) The mean
• B) The median
• C) The mode
• D) The standard deviation

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Definitions:

Rule Of Thumb

A practical and approximate way of doing or measuring something, based on experience rather than exact calculations.

Hasty Generalization

A logical fallacy where a conclusion is reached on the basis of insufficient evidence, generalizing too quickly from too little information.

Composition

The fallacy of inferring that a whole has a property merely because its parts have that property.

Division

A fallacy where one assumes that what is true of a whole must also be true of its parts.