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A Scientist, Who Wants to Study the Effects of Nitrogen

question 49

Multiple Choice

A scientist, who wants to study the effects of nitrogen on wheat plants, sets up an experiment with 4 groups of wheat plants: group A gets 20 pounds per acre, group B gets 40 pounds per acre, group C gets 60 pounds per acre, and group D gets 0 pounds per acre. Which of the following is the control group?


Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobic responses through gradual exposure to the feared object or situation.

Behavior Therapy

A type of psychotherapy that focuses on changing undesirable behaviors through conditioning and learning strategies.

Reinforcers

Any events or objects that, when following a response, increase the likelihood of that response occurring again.

Systematic Desensitization

A therapeutic technique used to reduce anxiety by gradually exposing the person to the feared object or situation.

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