Which of the Statements Below Is Part of Both the Ptolemaic

question 60

Multiple Choice

Which of the statements below is part of both the Ptolemaic and Copernican models?

• A) The Earth orbits the Sun once a year.
• B) The Sun lies in the center of the Cosmos.
• C) The Moon orbits the Earth once a month.
• D) Epicycles are needed to explain retrograde motion of the planets.
• E) Venus' epicycle must always lie between us and the Sun.

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Definitions:

Primary Reinforcers

Stimuli that are naturally rewarding and satisfy basic biological needs, such as food, water, and warmth, and do not require learning to be effective.

Secondary Reinforcers

Stimuli that have acquired reinforcing properties through their association with primary reinforcers, such as money or praise.

Discriminative Stimulus

A stimulus in the presence of which a particular response will be reinforced, and in the absence of which that response is less likely to occur.

Consequence

The result or effect of an action or condition, often considered in terms of its impact or significance.