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Define what a control group is in an experimental study, state its primary scientific purpose, and identify the ethical principle and corresponding obligation that researchers have toward clinical control group participants if the experimental treatment is found to be beneficial.
Question: Define what a control group is in an experimental study, state its primary scientific purpose, and identify the ethical principle and corresponding obligation that researchers have toward clinical control group participants if the experimental treatment is found to be beneficial.
Sample answer: In an experimental study, a control group consists of participants who do not receive the experimental treatment or manipulation. The primary scientific purpose of this group is to serve as a baseline for comparison against the experimental group, which allows researchers to determine if the treatment was effective. Ethically, the principle of seeking justice dictates that if a clinical treatment is found to be beneficial, participants in the control group must be offered the treatment after the study concludes to ensure a fair distribution of benefits.
Key points:
- The control group consists of participants who do not receive the experimental treatment or manipulation.
- The control group serves as a baseline to compare against the experimental group to determine if the treatment was effective.
- The ethical principle of seeking justice dictates that control group participants should be offered the beneficial treatment after the study concludes to ensure fair distribution of benefits.
Rubric: Grading criteria: 1. Correctly defines the control group as participants who do not receive the experimental treatment or manipulation. 2. Identifies the primary purpose as serving as a baseline for comparison to evaluate treatment effectiveness. 3. Identifies the ethical principle as 'seeking justice' and the obligation to offer the beneficial treatment to the control group after the study concludes.
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Research Methods in Psychology - 4th American Edition @ KPU
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