An Experiment Can Be Assumed to Have Internal Validity If

question 17

Multiple Choice

An experiment can be assumed to have internal validity if:

• A)the dependent variable is valid.
• B)there is a strong manipulation of the independent variable.
• C)random assignment and experimental control is employed.
• D)confounding variables are present.

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Definitions:

Lophophore

A unique feeding structure bearing ciliated tentacles, found in certain invertebrate phyla.

Ciliated

Ciliated describes cells or surfaces that have cilia, small hair-like structures, which move in unison to transport particles or fluid over their surface.

Silken Dragline

A silken dragline refers to the continuous strand of silk produced by spiders and some insects as a lifeline or for web construction.

Maturity Level

A measure of the growth, development, or experience of an individual or organization in specific contexts.