High School

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CJ wanted to see if listening to music would make the basketball players make more baskets.

On day one, he played rap music for 10 minutes and counted the baskets the players made. On day two, he played classical music for 10 minutes and counted the baskets the players made. On day three, he played country music for 10 minutes and counted the baskets the players made.

What is wrong with his experimental design?

Answer :

Final answer:

CJ's experimental design is flawed due to insufficient controls, lack of randomization, and a small sample size. These issues could lead to biased results and compromise the validity of his findings. A more robust approach would involve establishing control conditions and increasing the number of trials.


Explanation:

Issues in CJ's Experimental Design

CJ's experiment on whether listening to music affects basketball players' performance has several design flaws that could compromise the validity of the results. Here are the key issues:

  1. Insufficient Controls: CJ did not establish control conditions. For example, one of the days should have involved players shooting without any music to determine a baseline performance level.
  2. Lack of Randomization: The order in which the types of music were played could lead to biases. Players might perform differently based on factors like their familiarity with the music or how they felt that day, which could confound the results.
  3. Sample Size: Using only a few days and different music each day might not provide enough data to draw meaningful conclusions. More repetitions and a larger group of players would help ensure the results are statistically significant.

This type of experimental design must carefully consider controls, randomization, and adequate sample size to yield reliable and valid results.


Learn more about Experimental Design here:

https://brainly.com/question/28145500


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