The results of a correlational study indicate that first-born children make higher grades than second-born children. One can conclude that:

Question

Quizplus · Accepted Answer

Correlational studies can show a trend or relationship between two variables, in this case, birth order and grades. The statement that more first-born children make higher grades than second-born children is a reasonable interpretation of a positive correlation between being first-born and achieving higher grades, without implying causation or universality.

The Results of a Correlational Study Indicate That First-Born Children