Your explanation is clear and well-reasoned. You did a great job highlighting third variables and giving a classic, easy-to-understand example.
I especially like your ...
I especially like your ...
Your explanation is clear and well-reasoned. You did a great job highlighting third variables and giving a classic, easy-to-understand example.
I especially like your point about study time and GPA—very realistic. You might strengthen it even more by mentioning directionality (e.g., students with higher GPA may also be more motivated to study more).
I especially like your point about study time and GPA—very realistic. You might strengthen it even more by mentioning directionality (e.g., students with higher GPA may also be more motivated to study more).