A Group of People Has Learned to Blink Their Eyes

question 212

Multiple Choice

A group of people has learned to blink their eyes whenever they see a flashing blue light, because for the last hour that flashing blue light has always been followed by a puff of air to their eyes. If we want to test for the possibility of stimulus generalization, what procedure should we follow?

• A) Present the flashing blue light without the puff of air.
• B) Present the puff of air without the flashing blue light.
• C) Present a flashing green light.
• D) Produce extinction, then wait and test response to the flashing blue light.

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Definitions:

Stalk-Eyed Flies

A group of flies known for having long protrusions from the sides of their heads, bearing the eyes and antennae, a trait believed to be sexually selected.

Stalk Length

The measurement of the stem of a plant, from the base to the beginning of the leaves or flowers.

Narrow Sense Heritability

Narrow sense heritability is the proportion of the total phenotypic variance of a trait attributable to the additive effects of alleles (the additive genetic variance). This is the component of variance that causes offspring to resemble their parents, and it causes populations to evolve predictably in response to selection.

Genetics

The study of heredity, or how characteristics of organisms are transmitted from one generation to the next.