You Are Reading a Research Report Summarizing the Findings for a Study

Multiple Choice

You are reading a research report summarizing the findings for a study of first-year teacher anxiety in the classroom. You read the following results: "Teachers' perceptions of students' skill level was the most powerful predictor; it accounted for an additional 28% of the variance β = .35, p < .001) ."
From looking at the p value, you would conclude

A) That the alpha level was set too low
B) That the authors should have set an exact p value
C) That the result was statistically significant
D) That the result indicates that there is a high chance of making a mistake