The Two Basic Types of Sampling That Marketing Researchers Use

question 22

Multiple Choice

The two basic types of sampling that marketing researchers use are:

• A)random and non-random.
• B)probability and non-probability.
• C)stratified and quota.
• D)planned and spontaneous.

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Definitions:

Electrophoresis

A laboratory technique used to separate DNA, RNA, or protein molecules based on their size and electrical charge by applying an electric current to a gel matrix.

Isoelectric Point

The pH at which a molecule, especially an amino acid or protein, carries no net electric charge, making it electrically neutral.

Enzymatic Resolution

A process using enzymes to separate enantiomers of a racemic mixture based on their reactivity.

Electrophoresis

A laboratory technique used to separate charged molecules, such as DNA, RNA, or proteins, based on their size and charge by applying an electric field.