The Rise in Pitch of an Approaching Siren Is an Apparent

question 43

Multiple Choice

The rise in pitch of an approaching siren is an apparent increase in its:

• A)speed
• B)amplitude
• C)frequency
• D)wavelength
• E)number of overtones

---

Definitions:

Instinctive Drift

During operant learning, the tendency for an organism to revert to instinctive behavior.

Instinctive Drift

The tendency of an animal to revert to instinctual behaviors that interfere with learned responses.

Successive Approximations

A method in behaviorism used to shape behavior by rewarding actions that are closer to the desired behavior.

Free Will

The ability to choose between different possible courses of action unimpeded.