Carol Was About a Year and a Half Old When

question 37

Multiple Choice

Carol was about a year and a half old when her father,who was caring for her for the day,noticed that she was using a rattle to brush her hair just the way his wife had brushed her hair before she left about three hours earlier.Carol's father was sure this was something new she had learned.This is an example of

• A)concept formation.
• B)deferred imitation.
• C)centration
• D)perceptual organization.

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Definitions:

Pitch Cone

In gear design, it is the imaginary cone that represents the underlying angular surface of the teeth, where the pitch surface of an infinitely small gear would be.

Conical Surface

A surface that extends outward and away in all directions from a common point, resembling the shape of a cone.

Frustum

A truncated shape that results from cutting a pyramid or cone with a plane parallel to its base, leaving two bases, one smaller than the other.

Pitch Angle

The angle between the helix of a thread or gear on a cylindrical shaft and an imaginary line perpendicular to the shaft's axis.