Margaret Donaldson Criticized Piaget's "Experiments" on the Grounds That They

question 18

Multiple Choice

Margaret Donaldson criticized Piaget's "experiments" on the grounds that they lack:

• A)Independent variables
• B)External validity
• C)Internal validity
• D)Control conditions
• E)Human sense

---

Definitions:

Scarce Goods

Products or resources that are limited in availability and cannot meet all the demands of consumers.

Comparative Advantage

The ability of a country or firm to produce a specific good or service at a lower opportunity cost than its competitors.

Opportunity Cost

The cost of forgoing the next best alternative when making a decision or choice.

Specialize

The process of concentrating on and becoming expert in a particular subject or skill, often used in the context of labor and production.