Typically, most commercials on the television music channel boom are created to be readily understood by twelfth graders. in order to measure the actual level of understanding of these commercials by twelfth graders, marketers can use:

To measure their level of understanding the marketers could use the comprehension and reaction test in which it is would assess if the commercials in the television that are being watched by the twelfth graders are being understood and they could also identify it base on the reactions that they are giving and the behaviors that they show or respond.

Where are the following