The Old Order Amish in Lancaster County Is an Example

question 104

Multiple Choice

The old order Amish in Lancaster County is an example of a population that underwent

• A) a bottle neck.
• B) mutation.
• C) a founder effect.
• D) gene flow.
• E) genetic drift.

---

Definitions:

Fixed-Interval

In the context of reinforcement schedules in psychology, it refers to providing reinforcement after a predetermined, constant period of time has passed.

Unconditioned Stimulus

in behavioral psychology, a stimulus that naturally and automatically triggers a response without the need for prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, eventually triggers a conditioned response.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly associated with an unconditioned stimulus.