The standard error of the difference is used to determine
A) if an obtained score is close to the true score
B) whether the difference between two scores is significant
C) the likely degree of measurement error for a score
D) none of the above

Question

Quizplus · Accepted Answer

The standard error of the difference is specifically used to determine whether the difference between two scores (e.g., means from two different groups) is statistically significant. It helps in assessing if observed differences are likely due to chance or represent a true difference in the populations.

The Standard Error of the Difference Is Used to Determine