Soal SMA · Analisis · Kesulitan 3/5
Read the following passage and answer the question. A recent study compared the academic performance of students who attended schools with later start times (after 8:30 AM) to those with earlier start times (before 7:30 AM). The study found that students in later-start schools had significantly higher grades and lower absenteeism. However, the study also noted that later-start schools were more likely to be in affluent neighborhoods with better resources. Which of the following is the most significant limitation of this study?
- A.The study did not use a large enough sample size.
- B.The study did not control for socioeconomic factors that could affect academic performance.
- C.The study only measured grades and absenteeism, not other outcomes.
- D.The study was conducted in only one country.
Kunci jawaban & pembahasan
Jawaban: The study did not control for socioeconomic factors that could affect academic performance.
The study's finding that later-start schools were in affluent neighborhoods suggests that socioeconomic status may be a confounding variable, which is a major limitation.
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