In Response to the Criticism That Single-Subject Results Do Not

question 55

Multiple Choice

In response to the criticism that single-subject results do not have external validity, advocates argue that

• A)multiple replications have established the effectiveness of certain treatments
• B)external validity is unimportant
• C)single-subject research is designed to establish basic principles; it is not meant to be applied research
• D)external validity is irrelevant

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Definitions:

Amyloplasts

A type of plastid found in some plant cells, responsible for the synthesis and storage of starch granules through the process of photosynthesis.

Root Cap

A protective structure located at the tip of a plant root that shields the growing tip in the soil, secretes mucilage to aid in movement, and perceives gravity.

Phototropin

A protein that acts as a blue-light receptor, causing phototropic responses in plants towards light sources.

Phototropic Response

the growth or movement of a plant organ toward or away from light, as a response to its direction.