A Rat in a Skinner Box Presses the Lever and Receives

question 608

Multiple Choice

A rat in a Skinner box presses the lever and receives a food pellet. This reinforcement will help the rat to

• A)acquire a new skill.
• B)alter how frequently he presses the lever.
• C)overcome its fear of the apparatus.
• D)associate the stimulus with the response.

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Definitions:

Genetic Material

The molecules inside cells that carry genetic information, primarily DNA, and in some viruses, RNA.

Hydrophilic Heads

Refers to the water-attracting parts of molecules (such as those in phospholipids) that are oriented towards the water phases in cell membranes or emulsions.

Transitional Forms

Fossilized remains that show intermediate characteristics between ancestral species and their modern descendants, often cited as evidence of evolution.

Fossil Record

The collection of fossils that has been discovered, providing evidence of the history of life and evolutionary processes on Earth.