Xi and Tan Are Watching Their Young Nephew, Chen

question 75

Multiple Choice

Xi and Tan are watching their young nephew, Chen.Initially he seems to be very interested in a new squeaking toy Xi and Tan gave him, but he seems not to be very interested in it a few minutes later.Xi thinks that Chen might have an unusually short attention span.Tan assures Xi than Chen is actually displaying __________.

• A)boredom
• B)sensitivity
• C)dishabituation
• D)habituation

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Definitions:

Biome

A large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra.

Arctic Circle

The most northerly of the five major circles of latitude that mark maps of the Earth, defining the boundary of the Arctic region.

Conifers

Trees and shrubs that bear cones and typically have needle-shaped or scale-like leaves, such as pines and cedars.

Boreal Forest

Extensive high-latitude forest of the Northern Hemisphere; conifers are the predominant vegetation.