You and Your Grandfather Both Take the Same Intelligence Test

question 125

Multiple Choice

You and your grandfather both take the same intelligence test, and you score almost 20 points higher! This is an example of the _____, and it is likely due to _____.

• A)Flynn effect; differences in education and/or life experiences
• B)Flynn effect; the increasing size of the human brain over generations
• C)Spearman effect; increasing size of the human brain over generations
• D)Spearman effect; differences in education and/or life experiences

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Definitions:

Median

The middle value in a list of numbers, which divides the distribution into two equal halves.

Range

The difference between the highest and lowest scores in a dataset, showing the spread or dispersion of the values.

Frequency Polygons

Graphical representations of the distribution of data points, where frequencies are depicted by connecting midpoints of intervals.

Frequency Distributions

A statistical representation, often in the form of a table or graph, showing how often different values occur within a data set.