You Are Taking Part in an Experiment to Test the Effectiveness

question 43

Essay

You are taking part in an experiment to test the effectiveness of cognitive therapy in treating anxiety.There are two groups: one group receives cognitive therapy;the other group meets weekly with a therapist who does not use cognitive therapy,but merely chats during the session.Using the terminology of research,identify each of the two types of groups.

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Definitions:

Respire

The process by which living organisms take in oxygen and release carbon dioxide, involved in energy production.

Gas Exchange

The biological process through which organisms, such as plants and animals, exchange gases with their environment, involving oxygen and carbon dioxide.

Book Lungs

Respiration organs found in arachnids, such as spiders and scorpions, consisting of stacked plates resembling the pages of a book.

Parabronchi

Tubular structures in the lungs of birds that permit air to pass through the lungs in one direction, facilitating efficient gas exchange.