The Following Is Not a Threat to External Validity

question 2

Multiple Choice

The following is not a threat to external validity:

• A)the experimental sample is not representative of the population of interest.
• B)the treatment being studied is not representative of the treatment that would be implemented more broadly.
• C)experimental participants are volunteers.
• D)partial compliance with the treatment protocol.

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Definitions:

Insulin

A hormone produced by the pancreas that helps regulate blood glucose levels by facilitating the uptake of glucose by cells.

Adrenal Cortex

The outer portion of the adrenal gland that produces steroid hormones including cortisol and aldosterone.

Glucagon

A hormone produced by the pancreas that raises blood glucose levels, acting as a counter-regulatory hormone to insulin.

Progesterone

A steroid hormone released by the corpus luteum and important in the regulation of reproduction, preparing the uterus for implantation of a fertilized egg and maintaining pregnancy.