Polly Worked as a Bartender

question 115

Multiple Choice

Polly worked as a bartender. A few people used to wave money at her so that she would serve them first. She found this to be rude and, hence, either ignored them or always served them last. People came to realize that she served only the people who waited politely, and much of the rude behavior stopped. Polly used the model of __________.

• A) Positive reinforcement
• B) Negative reinforcement
• C) Variable ratio reinforcement
• D) Extinction
• E) Shaping

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Definitions:

Epigenetics

Epigenetics involves the study of changes in gene expression that do not involve alterations to the DNA sequence, often influenced by environmental factors.

Neurogenesis

The process by which new neurons are formed in the brain.

Neural Pruning

The process by which extra neurons and synaptic connections are eliminated to increase the efficiency of neuronal transmissions.

Monozygotic Twins

Identical twins; these siblings result from one zygote splitting in two, so they share the same genes.