What steps could the students take to ensure accuracy of her results?

To ensure the accuracy of her results, the student could take the following steps:

Replicate the experiment: Repeating the experiment multiple times can help minimize errors and increase confidence in the results. By replicating the experiment, the student can identify any inconsistencies or variations that might affect the accuracy of their findings.

Control variables: Carefully control all variables in the experiment except the independent variable. This means ensuring that all other factors that might influence the results, such as temperature, lighting, or materials used, are kept constant throughout the experiment.

Use precise and calibrated instruments: Ensure that the equipment and instruments used in the experiment are accurate and calibrated. This is especially important when measuring variables or quantities that could significantly impact the results.

Randomization: Randomly assign subjects or participants to different treatment or control groups to eliminate biases and ensure the results are representative of the entire population being studied.

Blinding: If possible, blind the participants and the individuals conducting the experiment (double blinding) to the different treatments or conditions to avoid any subjective influences or expectations.

Use appropriate statistical analysis: Choose appropriate statistical methods to analyze the data collected. This will help ensure that the results are correctly interpreted and that any conclusions drawn are supported by the data.

Document the experiment: Thoroughly document the procedures, observations, and data collected during the experiment. This documentation will allow others to evaluate the accuracy and validity of the study and facilitate reproducibility.

Peer review: Submit the experimental design and results to peers or experts in the field for review and feedback. This can help identify potential errors or biases and enhance the overall quality of the research.