In the Research on Decompression of Pregnant Rats,the Independent Variable

question 3

Multiple Choice

In the research on decompression of pregnant rats,the independent variable was ____ ,a dependent variable was ____ ,and a control variable was ____.

• A) reduced air pressure; behavioral tests; strain of rat
• B) body weight; climbing ability; time of day
• C) atmospheric pressure; age of rat; climbing ability
• D) number of decompressions; body weight; home cage
• E) experimental group; control group; test performance

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Definitions:

Radically Different

Drastically unlike or divergent from what is traditional, standard, or expected.

Unknown Future

A reference to situations or outcomes that are uncertain or unpredictable.

Incremental Change

Change of a relatively small scope, such as making small improvements.

Small Improvements

Incremental positive changes or adjustments that cumulatively lead to significant progress.