When 3-Year-Old Marcus First Tries Riding a Tricycle, He Pedals

question 14

Multiple Choice

When 3-year-old Marcus first tries riding a tricycle, he pedals it slowly and awkwardly, and he has trouble steering it where he wants it to go. Over time he becomes increasingly proficient, and eventually he can ride a tricycle with little conscious effort. Marcus's progress illustrates the role of _______ in development.

• A) canalization
• B) organization
• C) automatization
• D) executive processes

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Definitions:

Normal Curve

A symmetrical, bell-shaped curve that represents the distribution of many types of data; most scores fall near the mean, or average, with fewer scores at the extremes.

Standard Deviations

A numerical metric that calculates the degree of spread or distribution of a data set values around the average.

IQ Scores

Numerical measurements typically used to assess human intelligence, derived from standardized tests.

Normally Distributed

Describes a symmetrical, bell-shaped distribution of data points around the mean, where most observations cluster around the central peak and the probabilities for values further away from the mean taper off equally in both directions.