Experiments Are More Valuable Than Other Research Methods Because

question 153

Multiple Choice

Experiments are more valuable than other research methods because:

• A) there is a control group to compare with the experimental group.
• B) they allow a determination of cause-and-effect relationships.
• C) they are conducted in labs where the researcher is able to control all the variables.
• D) they use both independent and dependent variables.

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Definitions:

NMR Data

Information obtained from Nuclear Magnetic Resonance spectroscopy, used to determine the structure of molecules.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal that is split into four distinct peaks, indicating the presence of three equivalent protons in the neighboring environment.

Doublet

A pattern in spectroscopy indicating two adjacent peaks, often associated with the spin of a nucleus affecting a neighboring nucleus.

NMR Spectrum

A representation of the nuclear magnetic resonance absorption by nuclei in a sample.