Baby Linda Has Just Discovered That Banging on a Big

question 28

Multiple Choice

Baby Linda has just discovered that banging on a big pot produces a loud sound. He then decides to bang on a small pot to see what happens. A Piagetian would predict that such active experimentation with the environment would be most likely to first emerge in a child who is

• A)24 hours old.
• B)24 days old.
• C)12 months old.
• D)24 months old.

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Definitions:

Derivative Action

In control systems, a component of a PID controller that predicts system behavior and acts proportionally to the rate of change of the error signal.

Error Signal

A feedback signal indicating a discrepancy between the desired and actual performance of a system.

Proportional Bandwidth

In control systems, a parameter that determines the range over which the output is modified in proportion to the error or difference from a set point.

Time Proportioning Control

This control method adjusts the duty cycle of an output to regulate a process variable, commonly used in temperature control systems.