Submit Qui In a double-blind experiment designed to test the effectiveness of a new medication as a treatment for lower back pain, 1643 patients were randomly assignec one of three groups: (1) the 547 subjects in the placebo group were given pills containing no medication; (2) 550 subjects were in a group given pills with the n medication taken at regular intervals; (3) 546 subjects were in a group given pills with the new medication to be taken when needed for pain relief. What does it mean to say that the experiment was "double-blind"? ... Choose the correct answer below. O A. The subjects in the study were given the choice of taking the placebo or the new medication, but those who administered the pills did not know which grom the subjects were in. O B. Both the subjects in the study and those who administered the pills knew whether they were taking a placebo or the new medication. O C. The subjects in the study did not know whether they were taking a placebo or the new medication, but those who administered the pills did know. O D. The subjects in the study did not know whether they were taking a placebo or the new medication, and those who administered the pills also did not know.

Submit Qui In a double-blind experiment designed to test the effectiveness of a new medication as a treatment for lower back pain, 1643 patients were randomly assignec one of three groups: (1) the 547 subjects in the placebo group were given pills containing no medication; (2) 550 subjects were in a group given pills with the n medication taken at regular intervals; (3) 546 subjects were in a group given pills with the new medication to be taken when needed for pain relief. What does it mean to say that the experiment was "double-blind"? ... Choose the correct answer below. O A. The subjects in the study were given the choice of taking the placebo or the new medication, but those who administered the pills did not know which grom the subjects were in. O B. Both the subjects in the study and those who administered the pills knew whether they were taking a placebo or the new medication. O C. The subjects in the study did not know whether they were taking a placebo or the new medication, but those who administered the pills did know. O D. The subjects in the study did not know whether they were taking a placebo or the new medication, and those who administered the pills also did not know.

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Description: Submit QuizIn a double-blind experiment designed to test the effectiveness of a new medication as a treatment for lower back pain, 1643 patients were randomly assigned toone of three groups: (1) the 547 subjects in the placebo group were given pills

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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