A Researcher Tests a New Intervention for Nausea Associated with Chemotherapy

question 38

Multiple Choice

A researcher tests a new intervention for nausea associated with chemotherapy, in hospitalized patients. At the same time, a new over-the-counter medication containing natural herbs is marketed aggressively, and some of the hospital patients are given this herbal remedy by their families. This is a threat to which type of validity?

• A)Construct validity
• B)Internal validity
• C)External validity
• D)Statistical conclusion validity

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Definitions:

Trough

A trough generally refers to a long, narrow container from which animals eat or drink, but in scientific contexts, it can also mean a low point or minimum phase in a cycle, such as in economics or meteorology.

Visible Spectrum

The portion of the electromagnetic spectrum that is visible to the human eye, typically encompassing wavelengths from about 380 to 750 nanometers.

Longer Wavelengths

Describes the property of light or electromagnetic waves characterized by greater distances between wave peaks, often associated with lower frequencies and energies.

Red

A primary color that is at the end of the visible spectrum of light, next to orange and opposite violet, often associated with danger, passion, and energy.