In a recent study, researchers found that students who participated in extracurricular activities had higher overall GPAs compared to those who did not. The study controlled for factors such as socioeconomic status and academic background, ensuring the comparison focused solely on the impact of extracurricular involvement. However, the researchers noted that participating in extracurricular activities does not guarantee higher GPAs for every student.
Based on the study’s findings, which of the following statements must be true?