The Weakness of Static Group Comparison Is That the Researcher

question 22

Multiple Choice

The weakness of static group comparison is that the researcher

• A)is biased.
• B)cannot know whether group differences prior to the experiment or if the independent variable caused differences in posttest outcomes.
• C)cannot know whether group differences prior to the experiment or if the dependent variable caused differences in posttest outcomes.
• D)is not needed.

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Definitions:

Aromatic Protons

Hydrogen atoms attached to the carbon atoms of an aromatic ring, characterized by distinct NMR signals.

Magnetic Field

A region around a magnetic material or a moving electric charge within which the force of magnetism acts.

Nuclear Magnetic Resonance

A spectroscopic technique that exploits the magnetic properties of certain atomic nuclei to determine the physical and chemical properties of atoms or the molecules in which they are contained.

Protons in Dichloromethane

Refers to the hydrogen atoms present in the chemical compound dichloromethane, which is an organochloride solvent.