A researcher wants to study the effects of sleep deprivation on motor skills. Eighteen people volunteer for the experiment: Jake, Arya, Xavier, Nyla, Shaniece, Chen, Juan, Hana, Nia, Ansel, Liam, Bruno, Mei, Zoey, Kayla, Liam, Sofia, and Kai. Use a random number generator to choose nine subjects for the treatment group. The other nine subjects will go into the control group. List the subjects in each group. Tell which method you used to generate the random numbers.

검증된 단계별 안내

Step 1: Assign a unique number to each of the 18 participants. For example, Jake = 1, Arya = 2, Xavier = 3, and so on until Kai = 18.

Step 2: Use a random number generator to generate nine unique random numbers between 1 and 18. Ensure that the random number generator does not repeat numbers.

Step 3: Match the generated random numbers to the participants' assigned numbers. These participants will form the treatment group.

Step 4: The remaining participants (those whose numbers were not selected) will automatically be assigned to the control group.

Step 5: Document the method used for generating random numbers (e.g., a computer-based random number generator or a random number table) and list the participants in each group based on the random selection process.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Random Sampling

Random sampling is a technique used to select a subset of individuals from a larger population, ensuring that each member has an equal chance of being chosen. This method helps to eliminate bias and allows for the generalization of results to the entire population. In this scenario, the researcher uses random sampling to assign subjects to either the treatment or control group, which is crucial for the validity of the experiment.

Control Group vs. Treatment Group

In experimental research, the treatment group receives the intervention or treatment being tested, while the control group does not, serving as a baseline for comparison. This distinction is essential for assessing the effects of the treatment. In this study, the treatment group will experience sleep deprivation, while the control group will not, allowing the researcher to measure the impact on motor skills effectively.

Random Number Generator

A random number generator (RNG) is a tool used to produce a sequence of numbers that lack any pattern, ensuring randomness. In the context of this experiment, the RNG is employed to select which subjects will be assigned to the treatment group, thereby facilitating an unbiased selection process. This method enhances the reliability of the study's findings by ensuring that the groups are comparable.