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Quiz: Bidwell Quiz - Chapter 1 - Data Collection Time Remain 00:33:58 Submit Quiz This Question: 1 pt 6 of 10 (4 complete) This Quiz: 10 pts possible of a new drug therapy for treating patlients with dementia. To do this, they identified 75 patients with a diagnosis of dementia. Patients were randomly assigned to one of three treatment groups. Twenty-five patients were randomly assigned to receive the new drug therapy, another 25 received the older drug therapy, and the final 25 received a placebo therapy. To measure the effectiveness of the treatment standardized rating scale for dementia. After collecting and comparing the scores for the three treatment groups, the researchers concluded that the new drug therapy İS sig ficantly more effective than both the older drug therapy and the placebo t therapy in the treatment of dementia. Complete parts (a) through (1 (a) What type of experimental design is this? Completely randomized design O O Randomized block design O Cohort O Matched-pair (b) What is the population being studied? O A. The 75 patients identified by the researchers O B. Patients receiving the new drug therapy O C. All patients with a diagnosis of dementia 0 D. Patients receiving the placebo therapy (c) What is the response variable in this study? O A. Whether a patients dementia is affected by the drug B. ° C. Whether the patient has improved The score on the standardized rating scale for dementia Click to select your answer Copyright 2019 Pearson Education Inc All rights reserved. I Terms of Use erivasy. Policy PermissionsI Contact
This Quiz: 10 pts Researchers wanted to test the effectiveness of a new drug therapy for treating patients with dementia. To do this, they identified 75 patients with a diagnosis dementia. Patients were randomly assigned to one of three treatment groups. Twenty-five patients were randomly assigned to receive the new drug therapy, 25 received the older drug therapy, and the final 25 received a placebo therapy. To measure the effectiveness of the treatment, researchers scored each patie standardized rating scale for dementia. After collecting and comparing the scores for the three treatment groups, the researchers concluded that the new drug is significantly more effective than both the older drug therapy and the placebo therapy in the treatment of dementia. Complete parts (a) through () (d) What are the treatment(s)? O A. The new drug therapy, the older drug therapy, and the placebo therapy O B. The effectiveness of the new drug therapy on dementia O C. Patients with and without dementia 0 D. The new drug therapy (e) Identify the experimental units. Choose the correct answer below. 0 A. The score on the standardized rating scale for dementia 0 B. The 25 patients who received the new drug therapy ° C. The 25 patients who received the placebo therapy O D. The 75 patients with a diagnosis of dementia (t) Which figure illustrates the design of this experiment? Figure 2 Figure 1 Click to select your answer Copyright 2019 Pearson Education Inc. All rights reserved.1 Terms of Use 1 Privacy Policy Permissions
ui2 Cliapler1 -Data Collection Time Remaining: 00:33.30 Submit Qui This Question: 1 pt 6 of 1014 complete) ▼ This Quiz: 10 pts possitbl Researchers wanted to test the effectiveness of a new drug therapy for treating patients with dementia. To do this, they identified 75 patients with a diagnosis of dementia. Patients were randomly assigned to one of three treatment groups. Twenty-five patients were randomly assigned to receive the new drug therapy, another 25 received the older drug therapy, and the final 25 received a placebo therapy. To measure the effectiveness of the treatment, researchers scored each patient on a standardized rating scale for dementia. After collecting and comparing the scores for the three treatment groups, the researchers concluded that the new drug therapy is significantly more effective than both the older drug therapy and the placebo therapy in the treatment of dementia. Complete parts (a) through () OD. The new drug therapy (e) Identify the experimental units. Choose the correct answer below 0 A. O B. O C. The score on the standardized rating scale for dementia The 25 patients who received the new drug therapy The 25 patients who received the placebo therapy The 75 patients with a diagnosis of dementia O D. (0 Which figure illustrates the design of this experiment? Figure 1 Figure 2 Match Random Compare ldertandardized herapy rating scale ccordingcach pair to gender Click to select your answer. Copyright 2019 Pearson Education Inc. All rights reserved. I Terms of Use I Privacy Policy Permissions Cont
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Answer #1

Solution:-
(a) option A. Completely randomized design.

(b) option C. All patients receiving the new drug theorapy

(c) option C. The score on the standardized rating scale for dementia.

(d) option A.

(e) option C. D.

(f) option A.

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