Rita Is Pregnant

question 70

Multiple Choice

Rita is pregnant. When she conceived, two separate ova were fertilized at the same time, and each implanted in the uterus. Rita can expect to give birth to

• A) a child with Down syndrome.
• B) a premature child.
• C) fraternal twins.
• D) identical twins.
• E) monozygotic twins.

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Definitions:

Fixed Interval Schedule

A reinforcement schedule in operant conditioning where rewards are provided after a set period of time for the desired behavior.

Reinforcement

In psychology, a process by which a stimulus increases the likelihood of the behavior that it follows.

Continuous Reinforcement

A method of learning that involves providing a reward immediately after the desired behavior is exhibited, each and every time.

Desired Behavior

A specific action or response that is sought after or encouraged, often through incentives or rewards.