Tom developed the following scientific question: Do boys score higher on IQ tests than girls? He gives the same IQ tests to two 12-year-old boys and two 12-year-old girls. After checking the IQ scores on the tests, he realizes that the two girls had a much higher average score than the two boys. He concluded that girls have higher IQs than boys.

What is wrong with the experiment?

- Not ethical
- Not a random sample
- Biased
- Replication needed
- Sample size too small
- Needs a control
- Did not use safety skills
- More than one independent variable
- Data does not make sense with problem statement
- Conclusion does not make sense with the data and problem statement

Questions to consider:

- Name:
- Independent Variable:
- Dependent Variable:
- Constant:
- Control:

How can you improve the experiment?

The experiment is flawed because it lacks ethical considerations, a random sample, and a control group. The conclusion that girls have higher IQs based on the data is not supported.

The experiment conducted by Tom has several flaws. Firstly, it is not ethical to compare individuals based on their gender as it perpetuates stereotypes and can lead to discrimination.

Secondly, the sample size is too small with only two boys and two girls, which makes it difficult to draw valid conclusions about the entire population.

Thirdly, there is no control group to compare the results, which is crucial for making meaningful comparisons. Additionally, the experiment lacks randomization, as Tom specifically selected two boys and two girls, which introduces bias into the results.

The conclusion that girls have higher IQs than boys is not supported by the data. The average score of the two girls may be higher than the average score of the two boys in this particular experiment, but it is not representative of the entire population.

To improve the experiment, Tom should consider using a larger and more diverse sample, including a control group, and ensuring randomization to obtain more reliable and valid results. It is also important to consider ethical considerations when designing and conducting experiments.

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