Which statement describes the main limitation acknowledged in the study summary?

Which statement describes the main limitation acknowledged in the study summary?

• A. Small sample size
• B. Large sample size
• C. Short timeframe
• D. Lack of controls

Answer: (A)

This question is about how a study’s sample size shapes its limitations. A small number of participants means the findings may not reflect what would happen in a broader population. With few cases, random variation has a bigger impact, making results less reliable and causing wider confidence intervals. This also limits statistical power, so real effects might be missed, and it restricts the ability to explore differences across subgroups or to control for other factors. That combination—limited representativeness and reduced precision—makes small sample size the main constraint described. While a large sample size is generally a strength, and a short timeframe or lack of controls can pose issues in other contexts, the study summary here emphasizes the small sample as the primary limitation affecting how confidently we can generalize the results.

This question is about how a study’s sample size shapes its limitations. A small number of participants means the findings may not reflect what would happen in a broader population. With few cases, random variation has a bigger impact, making results less reliable and causing wider confidence intervals. This also limits statistical power, so real effects might be missed, and it restricts the ability to explore differences across subgroups or to control for other factors. That combination—limited representativeness and reduced precision—makes small sample size the main constraint described.

While a large sample size is generally a strength, and a short timeframe or lack of controls can pose issues in other contexts, the study summary here emphasizes the small sample as the primary limitation affecting how confidently we can generalize the results.