A Researcher Develops an Animal Model,using Monkeys,of Parkinson's Disease,which Is

question 5

Multiple Choice

A researcher develops an animal model,using monkeys,of Parkinson's Disease,which is noted by tremor,among other symptoms,in humans.In the behavioral procedure,monkeys also exhibited a clear tremor and the researchers find that the monkeys have degeneration to dopamine neurons similar to that seen in Parkinson's disease patients.What is this test an example of?

• A) Internal validity
• B) Predictive validity
• C) Face validity
• D) Construct validity

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Definitions:

Increasing Opportunity Costs

The principle that as you increase production of one good, the opportunity cost of producing an additional unit of this good increases.

Constant Opportunity Costs

A condition in which the opportunity cost of producing one more unit of a good remains constant irrespective of the quantity.

Decreasing Opportunity Costs

A situation where the cost of forgoing the next best alternative decreases as more units of a product or service are produced.

Capital Goods

These are physical assets used in the production process to manufacture goods and services, including buildings, machinery, and equipment.