Since Observational Independent Variables Will Always Be Confounded with All

question 103

Multiple Choice

Since observational independent variables will always be confounded with all other variables that are naturally related to them,_____ are typically not possible when an observational strategy is used.

• A)experimental manipulations
• B)correlated observations
• C)statistical analyses
• D)causal inferences

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Definitions:

Exercising Regularly

The routine practice of engaging in physical activity to maintain or improve health and fitness.

Absolute Advantage

The ability of an individual, company, or country to produce a good or service more efficiently than competitors using the same amount of resources.

Comparative Advantage

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

Cooking

The process of preparing food for consumption by applying heat, combining ingredients, or both, following various methods and traditions.