Firefighter Practice Exam

Which of the following represents the danger of relying solely on statistical data from limited samples?

1. Overgeneralization of results

2. Increased accuracy of predictions

3. Enhanced clarity of outcomes

4. Reduction of bias in research

The correct answer is: Overgeneralization of results

Relying solely on statistical data from limited samples can lead to overgeneralization of results. This occurs when conclusions drawn from a small or non-representative sample are applied to a larger population without sufficient justification. Limited samples may not capture the diversity and variability present in the broader population, thus skewing the findings. This overgeneralization can lead to misleading interpretations and inappropriate decisions based on the assumption that the limited data is fully representative. For instance, if a firefighter training program assesses the effectiveness of their training using data from only a few successful recruits, the results might be inaccurately extrapolated to imply all recruits will perform similarly, neglecting the unique challenges various individuals may face. This highlights the importance of utilizing larger, more representative samples for making reliable conclusions in research and practice.