If a Study Is High in Internal Validity, Then the Researcher

question 195

Multiple Choice

If a study is high in internal validity, then the researcher can be fairly certain that changes in the ____ were indeed due to changes in the ____.

• A)construct validity of the cause; construct validity of the effect
• B)independent variable; dependent variable
• C)external variable; internal variable
• D)hypothesis; theory

Differentiate between autotrophic and heterotrophic organisms and their role in ecosystems.

Comprehend the flow of energy through ecosystems and the importance of primary production.

Recognize the impact of human activities on nutrient cycles and the atmosphere.

Understand the main sources and impacts of increasing greenhouse gases.

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Definitions:

Repeated Game

A strategic situation where the same game is played numerous times, allowing participants to adjust their strategies based on past outcomes.

Stackable Discounts

Discounts that can be combined or "stacked" on a single purchase to provide consumers with greater savings than would be available from any single discount alone.

Selling Price

The price at which a good or service is offered to the public.

Retail Price

The cost at which a product is sold to the end consumer, including any markups by retailers.