Which of the Following Is the Least Flexible Survey Method

question 164

Multiple Choice

Which of the following is the least flexible survey method?

• A) Telephone surveys
• B) Focus-group interviews
• C) Personal interview surveys
• D) Mail surveys
• E) Observation

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Definitions:

Doublet

A pattern, especially in spectroscopy, where a signal is split into two components with a small separation, indicating the interaction between nuclear spins.

Multiplet

A pattern in NMR spectroscopy composed of closely spaced spectral lines, indicating the presence of coupling between nuclear spins.

Fourier Transform NMR

A technique in nuclear magnetic resonance spectroscopy that uses the Fourier transform principle to convert time domain data into frequency domain data, offering detailed information on molecular structure.

Continuous Wave

A form of radiation or signal that maintains a constant amplitude and frequency over time.