Final answer:
Research suggests that excessive television watching, socioeconomic factors, and mental health issues like depression are associated with poor grades. These factors affect students' study time, resource availability, and cognitive functions, leading to poorer academic outcomes.
Step-by-step explanation:
According to research findings, several factors are likely to be associated with poor grades. First, a negative correlation exists between the number of hours spent watching TV and exam performance; the more hours students spend watching TV, especially the week before an exam, the poorer they tend to perform (statement d). This suggests that excessive TV viewing may impede study time or interfere with students' ability to prepare effectively for exams.
Furthermore, socioeconomic factors play a crucial role in academic success. Students from lower socioeconomic backgrounds often face challenges such as the lack of a conducive study environment, additional family responsibilities, and fewer educational resources, which are barriers to achieving high grades. The inability to spend sufficient time and energy on schoolwork due to these constraints can lead to subpar academic performance.
Mental health issues, like depression, can also impact student performance. Depression may affect cognitive functions such as memory, focus, and decision-making, negatively influencing grades. Thus, both environmental factors and personal well-being are critical to understanding the intricacies of student academic performance.