An Argument for the Internal Validity of Quasi-Experiments

question 55

Multiple Choice

An argument for the internal validity of quasi-experiments

• A)can always be made solely on the basis of the results of the quasi-experiments.
• B)can be made on the basis of supplementary data and logical analysis in addition to the results of the quasi-experiment itself.
• C)can only be made if a corresponding true experiment has been done.
• D)cannot be made because of inherent threats to internal validity in these designs.

Distinguish between active and passive immunity.

Understand the clonal selection theory and its implications for immune response.

Describe the role of T cells in the immune system and their different types.

Recognize the use and importance of vaccines in preventing diseases.

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Definitions:

Disposable Income

The financial capabilities households have for saving and spending endeavors post income tax deductions.

Consumption

The use of goods and services by households, including the acquisition of goods and services for personal use or ownership.

Induced Consumption

The portion of consumer spending that increases or decreases as disposable income increases or decreases, respectively.

Disposable Income

The collective fiscal pool available to households for spending and saving post income tax engagements.