To Investigate the Effects of a New Drug for Hyperactivity,one

question 105

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.

---

Definitions:

Intensive

Characterized by or requiring significant effort or energy, often in reference to growth strategies or distribution methods.

Selective

Characterized by careful choice, especially based on very discerning taste or preferences.

Administered Vertical Marketing System

A coordinated distribution channel structure where members remain independent but their activities are centrally coordinated by a dominant member without formal ownership between them.