The Planet Neptune Was Discovered by Means Of

question 5

Multiple Choice

The planet Neptune was discovered by means of:

• A) careful observations of its motion by one astronomer in England (done over most of his lifetime)
• B) observations of its motion performed over many years by astronomers all over the globe
• C) radio observations of its large magnetic field
• D) mathematical calculations of how it was perturbing the motion of a neighbor planet
• E) discrepancies in the horoscopes of famous actors and actresses; errors in the horoscopes showed astrologers that there must be another cosmic influence on their love lives

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Definitions:

Stimulus Generalization

The tendency for the conditioned response to be evoked by stimuli that are similar to the stimulus that was conditioned originally.

Conditioned Stimulus

A stimulus that was neutral but, after being paired with an unconditioned stimulus, begins to provoke a conditioned response.

Temporal Contiguity

The occurrence of two events close together in time, which can lead to an association between them in learning.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any learning needed.