All of the Following Statements Are True About External Validity

question 79

Multiple Choice

All of the following statements are true about external validity except ________.

• A)threats to external validity arise when the specific experimental conditions do not realistically take into account the interactions of other relevant variables in the real world.
• B)external validity is the basic minimum that must be present in an experiment before any conclusion about treatment effects can be made
• C)factors that threaten internal validity may also threaten external validity,the most serious of these being extraneous variables.
• D)A and C are true

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Definitions:

Functional Age

The actual competence and performance levels of an individual, as opposed to their chronological age.

Wear-And-Tear

The damage or deterioration that occurs as a result of ordinary use over time.

Programmed Aging

The theory that aging is a biological process controlled by specific genes.

Tertiary Aging

The progression of changes in an individual that are due to disease, rather than due to normal aging or genetics.