What Proportion of People in Developing Countries Are Undernourished or Malnourished

question 62

Multiple Choice

What proportion of people in developing countries are undernourished or malnourished? 

• A) one in four 
• B) one in nine 
• C) one in eight 
• D) one in ten

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Definitions:

Variable-Interval Schedule

A Variable-Interval Schedule is a type of reinforcement schedule where responses are reinforced after varying intervals of time, making the reinforcement unpredictable.

Primary Reinforcement

A reinforcer that satisfies a basic biological need, such as food, water, or sleep, and is inherently rewarding.

Secondary Reinforcement

A reinforcing stimulus that acquires its reinforcing power through association with a primary reinforcer.

Tertiary Reinforcement

A type of reinforcement that uses abstract rewards, such as praise or tokens, that can be exchanged for other rewards.