In the TADS Experiment, Described in the Text, the Researchers

question 76

Multiple Choice

In the TADS experiment, described in the text, the researchers used a double-blind procedure, meaning that

• A) both the experimenters and the participants knew what group of adolescents were getting which treatment.
• B) only the participants themselves knew which treatment they were receiving.
• C) only the parents of the adolescents involved in the study were aware of which treatment they were receiving.
• D) neither the participants nor the experimenters knew who was getting medication and who was getting a placebo.
• E) only the experimenters knew who was getting medication and who was getting a placebo.

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Definitions:

Earthquake

An abrupt and intense quivering of the earth's surface, frequently resulting from shifts in the Earth's crust or activity from volcanoes.

Oceanic Trench

A deep, elongated depression in the ocean floor caused by the subduction of one tectonic plate under another.

P-Waves

Primary waves, which are compressional waves that travel through the Earth's interior during seismic events.

Velocity

A physical vector quantity that denotes the rate of change of position of an object, with both magnitude and direction.