To Investigate the Effects of a New Drug for Hyperactivity

question 23

Multiple Choice

To investigate the effects of a new drug for hyperactivity, one group of children is given this new drug, while the other group is given a placebo. The experimenter has his assistant label the drug and the placebo with letter names so that he will not know which group of children is getting the placebo and which group is getting the new drug until the end of the experiment. This researcher is using a

• A)double-blind experiment to minimize research participant bias and researcher bias.
• B)single-blind experiment to minimize observer bias and the observer effect.
• C)triple-blind experiment that incorporates random selection and random assignment.
• D)placebo effect to maximize the self-fulfilling prophecy.

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Definitions:

Oceanic Fracture Zones

Linear oceanographic features caused by the movement of tectonic plates, characterized by significant variations in depth and topography.

Seafloor

The bottom of an ocean or sea, composed of various geological features including ridges, valleys, plains, and trenches, shaped by processes like volcanic activity, sediment deposition, and tectonic movements.

Mid-Ocean Ridges

Oceanic mountain chains that develop due to the movements of tectonic plates, leading to the formation of new sea floor as a result of volcanic eruptions.

Cracks

Thin, linear fractures or separations in materials or geological formations, typically occurring without the displacement of the sides.