Manipulation and Random Assignment Are Two Key Features Of

question 259

Multiple Choice

Manipulation and random assignment are two key features of:

• A)naturalistic observation.
• B)matched-samples correlational designs.
• C)an experiment.
• D)natural correlations.

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Definitions:

Collenchyma

In plants, simple tissue composed of living cells with unevenly thickened walls; provides flexible support.

Pectin

A natural polysaccharide found in fruits, used as a gelling agent in food production.

Parenchyma

A type of plant tissue composed of living cells, usually having only thin primary walls and varying widely by morphology and metabolism.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods with carbon dioxide and water, producing oxygen as a byproduct.