Researchers Who Study the Process of Reading in Children Have

question 137

Multiple Choice

Researchers who study the process of reading in children have discovered that better readers make smoother eye movements across the page (i.e., there is a positive correlation between reading skill and the smoothness of the eye movements) .Which statement is a possible cause of the correlation between smooth eye movements and reading ability?

• A) The ability to make smooth eye movements improves reading ability.
• B) Having good reading skills allows a child to make smooth eye movements.
• C) Some third factor might cause both smooth eye movements and improved reading ability.
• D) All of these options are possible causes of the correlation.

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Definitions:

Linear Model

A mathematical model that assumes a linear relationship between the input variables (independent) and the single output variable (dependent).

Scatterplot

An illustrative technique in statistics that depicts the correlation between two distinct sets of data using a collection of points on a two-dimensional graph.

Data Set

A collection of related sets of information that are composed of separate elements but can be manipulated as a unit by a computer.

Residuals

The differences between observed values and the values predicted by a model in statistical analysis.