What Have Been Found to Be the Two Most Important

question 72

Multiple Choice

What have been found to be the two most important contributors to height differences among children worldwide?

• A)nutrition and exercise
• B)ethnic origin and social class
• C)prenatal care and emotional difficulties
• D)ethnic origin and nutrition

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Definitions:

Primary Reinforcers

Fundamental stimuli that satisfy basic biological needs, such as food, water, and air, and do not require learning to be effective.

Variable-Ratio

A schedule of reinforcement where a response is rewarded after an unpredictable number of responses, commonly used in behavioral psychology.

Fixed-Interval

A timing-based reinforcement plan where rewards are given after a predetermined time interval upon the first response.

Fixed-Ratio

In operant conditioning, a reinforcement schedule that rewards a response only after a specified number of responses.