In Playing a Game of "Logic" with His Dad, John

question 50

Multiple Choice

In playing a game of "logic" with his dad, John hears dad say "If dogs are animals or plants, and we have deduced that dogs are not animals, then dogs must be what?" John answers, "Well, they must be meat eaters then because I've never seen a dog that looked like a plant." We might conclude from John's answer that John is

• A) mentally retarded
• B) at Piaget's formal-operational stage
• C) at Piaget's concrete-operational stage
• D) displaying adolescent egocentrism

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Definitions:

Random

Lacking any definite plan or order or purpose; governed by chance.

Ineffectual Treatment

Medical or therapeutic interventions that fail to produce the desired beneficial outcome.

Manipulated Variable

In experimental research, the manipulated variable is the factor that is intentionally changed or controlled by the researcher to observe its effects on the dependent variable.

Measured Variable

A variable in research that is quantified or measured directly by the researcher, as opposed to being manipulated or controlled.