In Matching,assignment to Experimental and Control Groups Is Done by

question 31

Multiple Choice

In matching,assignment to experimental and control groups is done by

• A) using a table of random numbers to direct individuals to groups.
• B) reviewing individual characteristics so that groups are as alike as possible.
• C) assigning individuals to groups based on their gender.
• D) flipping a coin and placing individuals and groups depending on whether the toss is tails or heads.
• E) none of these

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Definitions:

Endodermis

The innermost layer of cells in the cortex of a plant root, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Sieve Tube

Sugar-conducting tube of phloem; consists of stacked sieve elements.

Pressure Gradients

A physical quantity that represents the direction and rate at which pressure changes in a particular direction.

Evaporation

The process by which water changes from a liquid to a vapor or gas, a key component of the Earth's water cycle.