The Meadowcroft Rockshelter in Pennsylvania Shows Signs of Human Presence

question 12

Multiple Choice

The Meadowcroft Rockshelter in Pennsylvania shows signs of human presence and:

• A)appears to be older than the Folsom and Clovis sites
• B)if correctly dated,indicates that people were in the New World sometime before 16,000 B.P.
• C)if correctly dated,indicates that people were in the New World sometime before 115,000 B.P.
• D)a and b
• E)a and c

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Definitions:

Unconditioned Stimulus

In classical conditioning, a stimulus that innately and automatically elicits a reaction without the need for previous learning.

Stimulus Generalisation

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

Stimulus Generalisation

The process by which a conditioned response is triggered by stimuli that are similar but not identical to the original conditioned stimulus.

Fear Response

The instinctual reaction to perceived danger or threat, involving physiological changes like increased heart rate, aimed at preparing the body for fight or flight.