Our rules for writing were developed from our rules for

It is important to evaluate the correlation between the sound monitoring system and the room sound using a calibration system. Which of the following is the best device to help calibrate a monitoring system?

a. monitor controller b. polarity scale c. real-time analyzer d. noise-cancelling meter

Which of the following is NOT necessary for forwarding a causal claim?

a. The cause must precede the effect in time. b. The two variables must be empirically related to one another. c. A perfect relationship between the two variables is necessary. d. The observed relationship between the two variables cannot be explained by a third variable.