In Categorizing Instruments as Either Speed Versus Power, a Power

Multiple Choice

In categorizing instruments as either speed versus power, a power test means the: ​

A) examinee's "power" is measured by the number of items answered correctly.
B) instruments measure the more difficult achievement areas. ​
C) instruments are highly rated by experts in the assessment field.
D) items vary in difficulty, and more credit may be given for more difficult items.