Developmental Researchers Often Make Use of an Experimental Procedure Relying

question 109

Multiple Choice

Developmental researchers often make use of an experimental procedure relying on habituation. How does one know that an infant has habituated to, say, a red rod moving back and forth?

• A) His heart-rate increases.
• B) His pupils dilate.
• C) He stops looking at it.
• D) He repeatedly-that is, habitually-reaches out for it.

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Definitions:

Seamounts

Underwater mountains formed by volcanic activity, not reaching the ocean's surface, and often a hotspot of marine life.

Island Chains

Sequential islands formed close to each other, often as a result of volcanic activity, and stretching out over distances in the ocean.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves outward from the ridge, contributing to continental drift.

Kilometers Wide

A measurement indicating that the width of a geographical feature or object extends for several kilometers.