> student success is directly related to student attendance. In fact, they concluded that attendance is the single most important predictor of high grades, a be

> student success is directly related to student attendance. In fact, they concluded that attendance is the single most important predictor of high grades, a better predictor than SAT scores, high school GPA, study skills or study habits. This reeks of selection bias and conflating correlation with causation to me. The abstract of the linked study does not seem to draw causal conclusions.