If the standard error of a test increases, the range in which you could be confident that true scores will fall would
A) remain the same
B) decrease
C) increase
D) standard error does not affect the confidence interval

Question

Quizplus · Accepted Answer

The standard error represents the degree of uncertainty in an estimation or measurement. A larger standard error indicates that there is more variability in the data and less precision in the estimate, which means that we would need a wider range to be confident that true scores will fall within it. Therefore, if the standard error increases, the range in which we could be confident that true scores will fall would also increase.

If the Standard Error of a Test Increases, the Range